208580974

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 397762560

約数和(自身を除く): 189181586

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 103, 133, 161, 206, 266, 322, 331, 437, 662, 721, 874, 1442, 1957, 2317, 2369, 3059, 3914, 4634, 4738, 6118, 6289, 7613, 12578, 13699, 15226, 16583, 27398, 33166, 34093, 44023, 45011, 53291, 68186, 88046, 90022, 106582, 144647, 238651, 289294, 315077, 477302, 630154, 647767, 784139, 1012529, 1295534, 1568278, 2025058, 4534369, 5488973, 9068738, 10977946, 14898641, 29797282, 104290487, 208580974]

約数ペア:

[(1, 208580974), (2, 104290487), (7, 29797282), (14, 14898641), (19, 10977946), (23, 9068738), (38, 5488973), (46, 4534369), (103, 2025058), (133, 1568278), (161, 1295534), (206, 1012529), (266, 784139), (322, 647767), (331, 630154), (437, 477302), (662, 315077), (721, 289294), (874, 238651), (1442, 144647), (1957, 106582), (2317, 90022), (2369, 88046), (3059, 68186), (3914, 53291), (4634, 45011), (4738, 44023), (6118, 34093), (6289, 33166), (7613, 27398), (12578, 16583), (13699, 15226)]