247490637

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{773}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 358888320

約数和(自身を除く): 111397683

約数列:

[1, 3, 19, 41, 57, 123, 137, 411, 773, 779, 2319, 2337, 2603, 5617, 7809, 14687, 16851, 31693, 44061, 95079, 105901, 106723, 317703, 320169, 602167, 1806501, 2012119, 4341941, 6036357, 13025823, 82496879, 247490637]

約数ペア:

[(1, 247490637), (3, 82496879), (19, 13025823), (41, 6036357), (57, 4341941), (123, 2012119), (137, 1806501), (411, 602167), (773, 320169), (779, 317703), (2319, 106723), (2337, 105901), (2603, 95079), (5617, 44061), (7809, 31693), (14687, 16851)]