76438978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 148561920

約数和(自身を除く): 72122942

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 79, 103, 122, 154, 158, 206, 427, 553, 671, 721, 854, 869, 1106, 1133, 1342, 1442, 1738, 2266, 4697, 4819, 6083, 6283, 7931, 8137, 9394, 9638, 12166, 12566, 15862, 16274, 33733, 43981, 53009, 56959, 67466, 69113, 87962, 89507, 106018, 113918, 138226, 179014, 371063, 483791, 496357, 626549, 742126, 967582, 992714, 1253098, 3474499, 5459927, 6948998, 10919854, 38219489, 76438978]

約数ペア:

[(1, 76438978), (2, 38219489), (7, 10919854), (11, 6948998), (14, 5459927), (22, 3474499), (61, 1253098), (77, 992714), (79, 967582), (103, 742126), (122, 626549), (154, 496357), (158, 483791), (206, 371063), (427, 179014), (553, 138226), (671, 113918), (721, 106018), (854, 89507), (869, 87962), (1106, 69113), (1133, 67466), (1342, 56959), (1442, 53009), (1738, 43981), (2266, 33733), (4697, 16274), (4819, 15862), (6083, 12566), (6283, 12166), (7931, 9638), (8137, 9394)]