661219584

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{27773}}^1$

素因数の和:27823

約数の個数: 72

約数和(自身を含む): 1816641792

約数和(自身を除く): 1155422208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 744, 768, 992, 1488, 1984, 2976, 3968, 5952, 7936, 11904, 23808, 27773, 55546, 83319, 111092, 166638, 222184, 333276, 444368, 666552, 860963, 888736, 1333104, 1721926, 1777472, 2582889, 2666208, 3443852, 3554944, 5165778, 5332416, 6887704, 7109888, 10331556, 10664832, 13775408, 20663112, 21329664, 27550816, 41326224, 55101632, 82652448, 110203264, 165304896, 220406528, 330609792, 661219584]

約数ペア:

[(1, 661219584), (2, 330609792), (3, 220406528), (4, 165304896), (6, 110203264), (8, 82652448), (12, 55101632), (16, 41326224), (24, 27550816), (31, 21329664), (32, 20663112), (48, 13775408), (62, 10664832), (64, 10331556), (93, 7109888), (96, 6887704), (124, 5332416), (128, 5165778), (186, 3554944), (192, 3443852), (248, 2666208), (256, 2582889), (372, 1777472), (384, 1721926), (496, 1333104), (744, 888736), (768, 860963), (992, 666552), (1488, 444368), (1984, 333276), (2976, 222184), (3968, 166638), (5952, 111092), (7936, 83319), (11904, 55546), (23808, 27773)]