64400063

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 90205920

約数和(自身を除く): 25805857

約数列:

[1, 7, 13, 17, 19, 49, 91, 119, 133, 221, 247, 313, 323, 637, 833, 931, 1547, 1729, 2191, 2261, 4069, 4199, 5321, 5947, 10829, 12103, 15337, 15827, 28483, 29393, 37247, 41629, 69173, 77311, 101099, 199381, 205751, 260729, 291403, 484211, 541177, 707693, 1314287, 3389477, 3788239, 4953851, 9200009, 64400063]

約数ペア:

[(1, 64400063), (7, 9200009), (13, 4953851), (17, 3788239), (19, 3389477), (49, 1314287), (91, 707693), (119, 541177), (133, 484211), (221, 291403), (247, 260729), (313, 205751), (323, 199381), (637, 101099), (833, 77311), (931, 69173), (1547, 41629), (1729, 37247), (2191, 29393), (2261, 28483), (4069, 15827), (4199, 15337), (5321, 12103), (5947, 10829)]