7839390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20101}}^1$

素因数の和:20124

約数の個数: 32

約数和(自身を含む): 20262816

約数和(自身を除く): 12423426

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20101, 40202, 60303, 100505, 120606, 201010, 261313, 301515, 522626, 603030, 783939, 1306565, 1567878, 2613130, 3919695, 7839390]

約数ペア:

[(1, 7839390), (2, 3919695), (3, 2613130), (5, 1567878), (6, 1306565), (10, 783939), (13, 603030), (15, 522626), (26, 301515), (30, 261313), (39, 201010), (65, 120606), (78, 100505), (130, 60303), (195, 40202), (390, 20101)]