399126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 64

約数和(自身を含む): 1064448

約数和(自身を除く): 665322

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 43, 51, 78, 86, 91, 102, 119, 129, 182, 221, 238, 258, 273, 301, 357, 442, 546, 559, 602, 663, 714, 731, 903, 1118, 1326, 1462, 1547, 1677, 1806, 2193, 3094, 3354, 3913, 4386, 4641, 5117, 7826, 9282, 9503, 10234, 11739, 15351, 19006, 23478, 28509, 30702, 57018, 66521, 133042, 199563, 399126]

約数ペア:

[(1, 399126), (2, 199563), (3, 133042), (6, 66521), (7, 57018), (13, 30702), (14, 28509), (17, 23478), (21, 19006), (26, 15351), (34, 11739), (39, 10234), (42, 9503), (43, 9282), (51, 7826), (78, 5117), (86, 4641), (91, 4386), (102, 3913), (119, 3354), (129, 3094), (182, 2193), (221, 1806), (238, 1677), (258, 1547), (273, 1462), (301, 1326), (357, 1118), (442, 903), (546, 731), (559, 714), (602, 663)]