13389775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4027}}^1$

素因数の和:4063

約数の個数: 24

約数和(自身を含む): 19978880

約数和(自身を除く): 6589105

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 4027, 20135, 28189, 76513, 100675, 140945, 382565, 535591, 704725, 1912825, 2677955, 13389775]

約数ペア:

[(1, 13389775), (5, 2677955), (7, 1912825), (19, 704725), (25, 535591), (35, 382565), (95, 140945), (133, 100675), (175, 76513), (475, 28189), (665, 20135), (3325, 4027)]