31113355

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 18883445

約数列:

[1, 5, 7, 13, 19, 35, 59, 61, 65, 91, 95, 133, 247, 295, 305, 413, 427, 455, 665, 767, 793, 1121, 1159, 1235, 1729, 2065, 2135, 3599, 3835, 3965, 5369, 5551, 5605, 5795, 7847, 8113, 8645, 14573, 15067, 17995, 25193, 26845, 27755, 39235, 40565, 46787, 68381, 72865, 75335, 102011, 105469, 125965, 233935, 327509, 341905, 478667, 510055, 527345, 888953, 1637545, 2393335, 4444765, 6222671, 31113355]

約数ペア:

[(1, 31113355), (5, 6222671), (7, 4444765), (13, 2393335), (19, 1637545), (35, 888953), (59, 527345), (61, 510055), (65, 478667), (91, 341905), (95, 327509), (133, 233935), (247, 125965), (295, 105469), (305, 102011), (413, 75335), (427, 72865), (455, 68381), (665, 46787), (767, 40565), (793, 39235), (1121, 27755), (1159, 26845), (1235, 25193), (1729, 17995), (2065, 15067), (2135, 14573), (3599, 8645), (3835, 8113), (3965, 7847), (5369, 5795), (5551, 5605)]