15953990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7219}}^1$

素因数の和:7256

約数の個数: 32

約数和(自身を含む): 32749920

約数和(自身を除く): 16795930

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 7219, 14438, 36095, 72190, 93847, 122723, 187694, 245446, 469235, 613615, 938470, 1227230, 1595399, 3190798, 7976995, 15953990]

約数ペア:

[(1, 15953990), (2, 7976995), (5, 3190798), (10, 1595399), (13, 1227230), (17, 938470), (26, 613615), (34, 469235), (65, 245446), (85, 187694), (130, 122723), (170, 93847), (221, 72190), (442, 36095), (1105, 14438), (2210, 7219)]