643032208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:441

約数の個数: 160

約数和(自身を含む): 1648394496

約数和(自身を除く): 1005362288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 83, 91, 104, 112, 119, 136, 166, 182, 208, 221, 238, 272, 313, 332, 364, 442, 476, 581, 626, 664, 728, 884, 952, 1079, 1162, 1252, 1328, 1411, 1456, 1547, 1768, 1904, 2158, 2191, 2324, 2504, 2822, 3094, 3536, 4069, 4316, 4382, 4648, 5008, 5321, 5644, 6188, 7553, 8138, 8632, 8764, 9296, 9877, 10642, 11288, 12376, 15106, 16276, 17264, 17528, 18343, 19754, 21284, 22576, 24752, 25979, 28483, 30212, 32552, 35056, 36686, 37247, 39508, 42568, 51958, 56966, 60424, 65104, 69173, 73372, 74494, 79016, 85136, 103916, 113932, 120848, 128401, 138346, 146744, 148988, 158032, 181853, 207832, 227864, 256802, 276692, 293488, 297976, 337727, 363706, 415664, 441643, 455728, 484211, 513604, 553384, 595952, 675454, 727412, 883286, 968422, 1027208, 1106768, 1350908, 1454824, 1766572, 1936844, 2054416, 2364089, 2701816, 2909648, 3091501, 3533144, 3873688, 4728178, 5403632, 5741359, 6183002, 7066288, 7747376, 9456356, 11482718, 12366004, 18912712, 22965436, 24732008, 37825424, 40189513, 45930872, 49464016, 80379026, 91861744, 160758052, 321516104, 643032208]

約数ペア:

[(1, 643032208), (2, 321516104), (4, 160758052), (7, 91861744), (8, 80379026), (13, 49464016), (14, 45930872), (16, 40189513), (17, 37825424), (26, 24732008), (28, 22965436), (34, 18912712), (52, 12366004), (56, 11482718), (68, 9456356), (83, 7747376), (91, 7066288), (104, 6183002), (112, 5741359), (119, 5403632), (136, 4728178), (166, 3873688), (182, 3533144), (208, 3091501), (221, 2909648), (238, 2701816), (272, 2364089), (313, 2054416), (332, 1936844), (364, 1766572), (442, 1454824), (476, 1350908), (581, 1106768), (626, 1027208), (664, 968422), (728, 883286), (884, 727412), (952, 675454), (1079, 595952), (1162, 553384), (1252, 513604), (1328, 484211), (1411, 455728), (1456, 441643), (1547, 415664), (1768, 363706), (1904, 337727), (2158, 297976), (2191, 293488), (2324, 276692), (2504, 256802), (2822, 227864), (3094, 207832), (3536, 181853), (4069, 158032), (4316, 148988), (4382, 146744), (4648, 138346), (5008, 128401), (5321, 120848), (5644, 113932), (6188, 103916), (7553, 85136), (8138, 79016), (8632, 74494), (8764, 73372), (9296, 69173), (9877, 65104), (10642, 60424), (11288, 56966), (12376, 51958), (15106, 42568), (16276, 39508), (17264, 37247), (17528, 36686), (18343, 35056), (19754, 32552), (21284, 30212), (22576, 28483), (24752, 25979)]