66771775

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 99993600

約数和(自身を除く): 33221825

約数列:

[1, 5, 7, 25, 29, 35, 59, 145, 175, 203, 223, 295, 413, 725, 1015, 1115, 1475, 1561, 1711, 2065, 5075, 5575, 6467, 7805, 8555, 10325, 11977, 13157, 32335, 39025, 42775, 45269, 59885, 65785, 92099, 161675, 226345, 299425, 328925, 381553, 460495, 1131725, 1907765, 2302475, 2670871, 9538825, 13354355, 66771775]

約数ペア:

[(1, 66771775), (5, 13354355), (7, 9538825), (25, 2670871), (29, 2302475), (35, 1907765), (59, 1131725), (145, 460495), (175, 381553), (203, 328925), (223, 299425), (295, 226345), (413, 161675), (725, 92099), (1015, 65785), (1115, 59885), (1475, 45269), (1561, 42775), (1711, 39025), (2065, 32335), (5075, 13157), (5575, 11977), (6467, 10325), (7805, 8555)]