65719784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 141792000

約数和(自身を除く): 76072216

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 79, 104, 152, 158, 247, 316, 421, 494, 632, 842, 988, 1027, 1501, 1684, 1976, 2054, 3002, 3368, 4108, 5473, 6004, 7999, 8216, 10946, 12008, 15998, 19513, 21892, 31996, 33259, 39026, 43784, 63992, 66518, 78052, 103987, 133036, 156104, 207974, 266072, 415948, 432367, 631921, 831896, 864734, 1263842, 1729468, 2527684, 3458936, 5055368, 8214973, 16429946, 32859892, 65719784]

約数ペア:

[(1, 65719784), (2, 32859892), (4, 16429946), (8, 8214973), (13, 5055368), (19, 3458936), (26, 2527684), (38, 1729468), (52, 1263842), (76, 864734), (79, 831896), (104, 631921), (152, 432367), (158, 415948), (247, 266072), (316, 207974), (421, 156104), (494, 133036), (632, 103987), (842, 78052), (988, 66518), (1027, 63992), (1501, 43784), (1684, 39026), (1976, 33259), (2054, 31996), (3002, 21892), (3368, 19513), (4108, 15998), (5473, 12008), (6004, 10946), (7999, 8216)]