7789470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19973}}^1$

素因数の和:19996

約数の個数: 32

約数和(自身を含む): 20133792

約数和(自身を除く): 12344322

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19973, 39946, 59919, 99865, 119838, 199730, 259649, 299595, 519298, 599190, 778947, 1298245, 1557894, 2596490, 3894735, 7789470]

約数ペア:

[(1, 7789470), (2, 3894735), (3, 2596490), (5, 1557894), (6, 1298245), (10, 778947), (13, 599190), (15, 519298), (26, 299595), (30, 259649), (39, 199730), (65, 119838), (78, 99865), (130, 59919), (195, 39946), (390, 19973)]