260551445

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^2$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 400712832

約数和(自身を除く): 140161387

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 113, 265, 371, 385, 565, 583, 791, 1243, 1855, 2915, 3955, 4081, 5989, 6215, 8701, 12769, 20405, 29945, 41923, 43505, 63845, 65879, 89383, 140459, 209615, 329395, 446915, 461153, 676757, 702295, 983213, 2305765, 3383785, 4737299, 4916065, 7444327, 23686495, 37221635, 52110289, 260551445]

約数ペア:

[(1, 260551445), (5, 52110289), (7, 37221635), (11, 23686495), (35, 7444327), (53, 4916065), (55, 4737299), (77, 3383785), (113, 2305765), (265, 983213), (371, 702295), (385, 676757), (565, 461153), (583, 446915), (791, 329395), (1243, 209615), (1855, 140459), (2915, 89383), (3955, 65879), (4081, 63845), (5989, 43505), (6215, 41923), (8701, 29945), (12769, 20405)]