393996408

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{2243}}^1$

素因数の和:2828

約数の個数: 64

約数和(自身を含む): 1063117440

約数和(自身を除く): 669121032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 563, 1126, 1689, 2243, 2252, 3378, 4486, 4504, 6729, 6756, 7319, 8972, 13458, 13512, 14638, 17944, 21957, 26916, 29159, 29276, 43914, 53832, 58318, 58552, 87477, 87828, 116636, 174954, 175656, 233272, 349908, 699816, 1262809, 2525618, 3788427, 5051236, 7576854, 10102472, 15153708, 16416517, 30307416, 32833034, 49249551, 65666068, 98499102, 131332136, 196998204, 393996408]

約数ペア:

[(1, 393996408), (2, 196998204), (3, 131332136), (4, 98499102), (6, 65666068), (8, 49249551), (12, 32833034), (13, 30307416), (24, 16416517), (26, 15153708), (39, 10102472), (52, 7576854), (78, 5051236), (104, 3788427), (156, 2525618), (312, 1262809), (563, 699816), (1126, 349908), (1689, 233272), (2243, 175656), (2252, 174954), (3378, 116636), (4486, 87828), (4504, 87477), (6729, 58552), (6756, 58318), (7319, 53832), (8972, 43914), (13458, 29276), (13512, 29159), (14638, 26916), (17944, 21957)]