51411815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 80394048

約数和(自身を除く): 28982233

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 313, 361, 455, 665, 1235, 1565, 1729, 1805, 2191, 2527, 4069, 4693, 5947, 8645, 10955, 12635, 20345, 23465, 28483, 29735, 32851, 41629, 77311, 112993, 142415, 164255, 208145, 386555, 541177, 564965, 790951, 1468909, 2705885, 3954755, 7344545, 10282363, 51411815]

約数ペア:

[(1, 51411815), (5, 10282363), (7, 7344545), (13, 3954755), (19, 2705885), (35, 1468909), (65, 790951), (91, 564965), (95, 541177), (133, 386555), (247, 208145), (313, 164255), (361, 142415), (455, 112993), (665, 77311), (1235, 41629), (1565, 32851), (1729, 29735), (1805, 28483), (2191, 23465), (2527, 20345), (4069, 12635), (4693, 10955), (5947, 8645)]