66401390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31771}}^1$

素因数の和:31808

約数の個数: 32

約数和(自身を含む): 137255040

約数和(自身を除く): 70853650

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 31771, 63542, 158855, 317710, 349481, 603649, 698962, 1207298, 1747405, 3018245, 3494810, 6036490, 6640139, 13280278, 33200695, 66401390]

約数ペア:

[(1, 66401390), (2, 33200695), (5, 13280278), (10, 6640139), (11, 6036490), (19, 3494810), (22, 3018245), (38, 1747405), (55, 1207298), (95, 698962), (110, 603649), (190, 349481), (209, 317710), (418, 158855), (1045, 63542), (2090, 31771)]