258597904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{11981}}^1$

素因数の和:12079

約数の個数: 40

約数和(自身を含む): 534876480

約数和(自身を除く): 276278576

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1349, 2698, 5396, 10792, 11981, 21584, 23962, 47924, 95848, 191696, 227639, 455278, 850651, 910556, 1701302, 1821112, 3402604, 3642224, 6805208, 13610416, 16162369, 32324738, 64649476, 129298952, 258597904]

約数ペア:

[(1, 258597904), (2, 129298952), (4, 64649476), (8, 32324738), (16, 16162369), (19, 13610416), (38, 6805208), (71, 3642224), (76, 3402604), (142, 1821112), (152, 1701302), (284, 910556), (304, 850651), (568, 455278), (1136, 227639), (1349, 191696), (2698, 95848), (5396, 47924), (10792, 23962), (11981, 21584)]