258530818

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{17981}}^1$

素因数の和:18082

約数の個数: 32

約数和(自身を含む): 483356160

約数和(自身を除く): 224825342

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 2054, 7189, 14378, 17981, 35962, 125867, 233753, 251734, 467506, 1420499, 1636271, 2840998, 3272542, 9943493, 18466487, 19886986, 36932974, 129265409, 258530818]

約数ペア:

[(1, 258530818), (2, 129265409), (7, 36932974), (13, 19886986), (14, 18466487), (26, 9943493), (79, 3272542), (91, 2840998), (158, 1636271), (182, 1420499), (553, 467506), (1027, 251734), (1106, 233753), (2054, 125867), (7189, 35962), (14378, 17981)]