64720488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{641}}^1$

素因数の和:1258

約数の個数: 64

約数和(自身を含む): 185512320

約数和(自身を除く): 120791832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 601, 641, 1202, 1282, 1803, 1923, 2404, 2564, 3606, 3846, 4207, 4487, 4808, 5128, 7212, 7692, 8414, 8974, 12621, 13461, 14424, 15384, 16828, 17948, 25242, 26922, 33656, 35896, 50484, 53844, 100968, 107688, 385241, 770482, 1155723, 1540964, 2311446, 2696687, 3081928, 4622892, 5393374, 8090061, 9245784, 10786748, 16180122, 21573496, 32360244, 64720488]

約数ペア:

[(1, 64720488), (2, 32360244), (3, 21573496), (4, 16180122), (6, 10786748), (7, 9245784), (8, 8090061), (12, 5393374), (14, 4622892), (21, 3081928), (24, 2696687), (28, 2311446), (42, 1540964), (56, 1155723), (84, 770482), (168, 385241), (601, 107688), (641, 100968), (1202, 53844), (1282, 50484), (1803, 35896), (1923, 33656), (2404, 26922), (2564, 25242), (3606, 17948), (3846, 16828), (4207, 15384), (4487, 14424), (4808, 13461), (5128, 12621), (7212, 8974), (7692, 8414)]