77893390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3539}}^1$

素因数の和:3648

約数の個数: 32

約数和(自身を含む): 146810880

約数和(自身を除く): 68917490

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 3539, 4402, 7078, 11005, 17695, 22010, 35390, 109709, 219418, 251269, 502538, 548545, 1097090, 1256345, 2512690, 7789339, 15578678, 38946695, 77893390]

約数ペア:

[(1, 77893390), (2, 38946695), (5, 15578678), (10, 7789339), (31, 2512690), (62, 1256345), (71, 1097090), (142, 548545), (155, 502538), (310, 251269), (355, 219418), (710, 109709), (2201, 35390), (3539, 22010), (4402, 17695), (7078, 11005)]