390364177

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 484116480

約数和(自身を除く): 93752303

約数列:

[1, 7, 19, 67, 71, 133, 469, 497, 617, 1273, 1349, 4319, 4757, 8911, 9443, 11723, 33299, 41339, 43807, 82061, 90383, 289373, 306649, 632681, 785441, 832333, 2935069, 5498087, 5826331, 20545483, 55766311, 390364177]

約数ペア:

[(1, 390364177), (7, 55766311), (19, 20545483), (67, 5826331), (71, 5498087), (133, 2935069), (469, 832333), (497, 785441), (617, 632681), (1273, 306649), (1349, 289373), (4319, 90383), (4757, 82061), (8911, 43807), (9443, 41339), (11723, 33299)]