220678031

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 273079296

約数和(自身を除く): 52401265

約数列:

[1, 7, 23, 41, 101, 161, 287, 331, 707, 943, 2317, 2323, 4141, 6601, 7613, 13571, 16261, 28987, 33431, 53291, 94997, 95243, 234017, 312133, 666701, 768913, 1370671, 2184931, 5382391, 9594697, 31525433, 220678031]

約数ペア:

[(1, 220678031), (7, 31525433), (23, 9594697), (41, 5382391), (101, 2184931), (161, 1370671), (287, 768913), (331, 666701), (707, 312133), (943, 234017), (2317, 95243), (2323, 94997), (4141, 53291), (6601, 33431), (7613, 28987), (13571, 16261)]