11991110

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 22781952

約数和(自身を除く): 10790842

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 155, 235, 310, 470, 823, 1457, 1646, 2914, 4115, 7285, 8230, 14570, 25513, 38681, 51026, 77362, 127565, 193405, 255130, 386810, 1199111, 2398222, 5995555, 11991110]

約数ペア:

[(1, 11991110), (2, 5995555), (5, 2398222), (10, 1199111), (31, 386810), (47, 255130), (62, 193405), (94, 127565), (155, 77362), (235, 51026), (310, 38681), (470, 25513), (823, 14570), (1457, 8230), (1646, 7285), (2914, 4115)]