217986787865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29799971}}^1$

素因数の和:29800013

約数の個数: 32

約数和(自身を含む): 343295677440

約数和(自身を除く): 125308889575

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 29799971, 148999855, 208599797, 327799681, 566199449, 1042998985, 1638998405, 2294597767, 2830997245, 3963396143, 6228193939, 11472988835, 19816980715, 31140969695, 43597357573, 217986787865]

約数ペア:

[(1, 217986787865), (5, 43597357573), (7, 31140969695), (11, 19816980715), (19, 11472988835), (35, 6228193939), (55, 3963396143), (77, 2830997245), (95, 2294597767), (133, 1638998405), (209, 1042998985), (385, 566199449), (665, 327799681), (1045, 208599797), (1463, 148999855), (7315, 29799971)]