81958968

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1787}}^1$

素因数の和:1826

約数の個数: 144

約数和(自身を含む): 278230680

約数和(自身を除く): 196271712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 117, 126, 147, 156, 168, 182, 196, 234, 252, 273, 294, 312, 364, 392, 441, 468, 504, 546, 588, 637, 728, 819, 882, 936, 1092, 1176, 1274, 1638, 1764, 1787, 1911, 2184, 2548, 3276, 3528, 3574, 3822, 5096, 5361, 5733, 6552, 7148, 7644, 10722, 11466, 12509, 14296, 15288, 16083, 21444, 22932, 23231, 25018, 32166, 37527, 42888, 45864, 46462, 50036, 64332, 69693, 75054, 87563, 92924, 100072, 112581, 128664, 139386, 150108, 162617, 175126, 185848, 209079, 225162, 262689, 278772, 300216, 325234, 350252, 418158, 450324, 487851, 525378, 557544, 650468, 700504, 788067, 836316, 900648, 975702, 1050756, 1138319, 1300936, 1463553, 1576134, 1672632, 1951404, 2101512, 2276638, 2927106, 3152268, 3414957, 3902808, 4553276, 5854212, 6304536, 6829914, 9106552, 10244871, 11708424, 13659828, 20489742, 27319656, 40979484, 81958968]

約数ペア:

[(1, 81958968), (2, 40979484), (3, 27319656), (4, 20489742), (6, 13659828), (7, 11708424), (8, 10244871), (9, 9106552), (12, 6829914), (13, 6304536), (14, 5854212), (18, 4553276), (21, 3902808), (24, 3414957), (26, 3152268), (28, 2927106), (36, 2276638), (39, 2101512), (42, 1951404), (49, 1672632), (52, 1576134), (56, 1463553), (63, 1300936), (72, 1138319), (78, 1050756), (84, 975702), (91, 900648), (98, 836316), (104, 788067), (117, 700504), (126, 650468), (147, 557544), (156, 525378), (168, 487851), (182, 450324), (196, 418158), (234, 350252), (252, 325234), (273, 300216), (294, 278772), (312, 262689), (364, 225162), (392, 209079), (441, 185848), (468, 175126), (504, 162617), (546, 150108), (588, 139386), (637, 128664), (728, 112581), (819, 100072), (882, 92924), (936, 87563), (1092, 75054), (1176, 69693), (1274, 64332), (1638, 50036), (1764, 46462), (1787, 45864), (1911, 42888), (2184, 37527), (2548, 32166), (3276, 25018), (3528, 23231), (3574, 22932), (3822, 21444), (5096, 16083), (5361, 15288), (5733, 14296), (6552, 12509), (7148, 11466), (7644, 10722)]