69539390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3931}}^1$

素因数の和:4028

約数の個数: 32

約数和(自身を含む): 131643360

約数和(自身を除く): 62103970

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 3931, 7862, 8845, 17690, 19655, 39310, 113999, 227998, 239791, 479582, 569995, 1139990, 1198955, 2397910, 6953939, 13907878, 34769695, 69539390]

約数ペア:

[(1, 69539390), (2, 34769695), (5, 13907878), (10, 6953939), (29, 2397910), (58, 1198955), (61, 1139990), (122, 569995), (145, 479582), (290, 239791), (305, 227998), (610, 113999), (1769, 39310), (3538, 19655), (3931, 17690), (7862, 8845)]