638861808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{1499}}^1$

素因数の和:2206

約数の個数: 80

約数和(自身を含む): 1781136000

約数和(自身を除く): 1142274192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 683, 1366, 1499, 2049, 2732, 2998, 4098, 4497, 5464, 5996, 8196, 8879, 8994, 10928, 11992, 16392, 17758, 17988, 19487, 23984, 26637, 32784, 35516, 35976, 38974, 53274, 58461, 71032, 71952, 77948, 106548, 116922, 142064, 155896, 213096, 233844, 311792, 426192, 467688, 935376, 1023817, 2047634, 3071451, 4095268, 6142902, 8190536, 12285804, 13309621, 16381072, 24571608, 26619242, 39928863, 49143216, 53238484, 79857726, 106476968, 159715452, 212953936, 319430904, 638861808]

約数ペア:

[(1, 638861808), (2, 319430904), (3, 212953936), (4, 159715452), (6, 106476968), (8, 79857726), (12, 53238484), (13, 49143216), (16, 39928863), (24, 26619242), (26, 24571608), (39, 16381072), (48, 13309621), (52, 12285804), (78, 8190536), (104, 6142902), (156, 4095268), (208, 3071451), (312, 2047634), (624, 1023817), (683, 935376), (1366, 467688), (1499, 426192), (2049, 311792), (2732, 233844), (2998, 213096), (4098, 155896), (4497, 142064), (5464, 116922), (5996, 106548), (8196, 77948), (8879, 71952), (8994, 71032), (10928, 58461), (11992, 53274), (16392, 38974), (17758, 35976), (17988, 35516), (19487, 32784), (23984, 26637)]