1285184887

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 1649611008

約数和(自身を除く): 364426121

約数列:

[1, 7, 17, 31, 49, 119, 157, 217, 317, 527, 833, 1099, 1519, 2219, 2669, 3689, 4867, 5389, 7693, 9827, 15533, 18683, 25823, 34069, 37723, 49769, 68789, 82739, 130781, 167059, 238483, 264061, 348383, 481523, 579173, 846073, 1169413, 1542839, 2438681, 4054211, 5922511, 8185891, 10799873, 26228263, 41457577, 75599111, 183597841, 1285184887]

約数ペア:

[(1, 1285184887), (7, 183597841), (17, 75599111), (31, 41457577), (49, 26228263), (119, 10799873), (157, 8185891), (217, 5922511), (317, 4054211), (527, 2438681), (833, 1542839), (1099, 1169413), (1519, 846073), (2219, 579173), (2669, 481523), (3689, 348383), (4867, 264061), (5389, 238483), (7693, 167059), (9827, 130781), (15533, 82739), (18683, 68789), (25823, 49769), (34069, 37723)]