638931384

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13931}}^1$

素因数の和:13970

約数の個数: 144

約数和(自身を含む): 2167958520

約数和(自身を除く): 1529027136

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, 1911, 2184, 2548, 3276, 3528, 3822, 5096, 5733, 6552, 7644, 11466, 13931, 15288, 22932, 27862, 41793, 45864, 55724, 83586, 97517, 111448, 125379, 167172, 181103, 195034, 250758, 292551, 334344, 362206, 390068, 501516, 543309, 585102, 682619, 724412, 780136, 877653, 1003032, 1086618, 1170204, 1267721, 1365238, 1448824, 1629927, 1755306, 2047857, 2173236, 2340408, 2535442, 2730476, 3259854, 3510612, 3803163, 4095714, 4346472, 5070884, 5460952, 6143571, 6519708, 7021224, 7606326, 8191428, 8874047, 10141768, 11409489, 12287142, 13039416, 15212652, 16382856, 17748094, 22818978, 24574284, 26622141, 30425304, 35496188, 45637956, 49148568, 53244282, 70992376, 79866423, 91275912, 106488564, 159732846, 212977128, 319465692, 638931384]

約数ペア:

[(1, 638931384), (2, 319465692), (3, 212977128), (4, 159732846), (6, 106488564), (7, 91275912), (8, 79866423), (9, 70992376), (12, 53244282), (13, 49148568), (14, 45637956), (18, 35496188), (21, 30425304), (24, 26622141), (26, 24574284), (28, 22818978), (36, 17748094), (39, 16382856), (42, 15212652), (49, 13039416), (52, 12287142), (56, 11409489), (63, 10141768), (72, 8874047), (78, 8191428), (84, 7606326), (91, 7021224), (98, 6519708), (104, 6143571), (117, 5460952), (126, 5070884), (147, 4346472), (156, 4095714), (168, 3803163), (182, 3510612), (196, 3259854), (234, 2730476), (252, 2535442), (273, 2340408), (294, 2173236), (312, 2047857), (364, 1755306), (392, 1629927), (441, 1448824), (468, 1365238), (504, 1267721), (546, 1170204), (588, 1086618), (637, 1003032), (728, 877653), (819, 780136), (882, 724412), (936, 682619), (1092, 585102), (1176, 543309), (1274, 501516), (1638, 390068), (1764, 362206), (1911, 334344), (2184, 292551), (2548, 250758), (3276, 195034), (3528, 181103), (3822, 167172), (5096, 125379), (5733, 111448), (6552, 97517), (7644, 83586), (11466, 55724), (13931, 45864), (15288, 41793), (22932, 27862)]