28414910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 53581824

約数和(自身を除く): 25166914

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 1291, 2201, 2582, 4402, 6455, 11005, 12910, 22010, 40021, 80042, 91661, 183322, 200105, 400210, 458305, 916610, 2841491, 5682982, 14207455, 28414910]

約数ペア:

[(1, 28414910), (2, 14207455), (5, 5682982), (10, 2841491), (31, 916610), (62, 458305), (71, 400210), (142, 200105), (155, 183322), (310, 91661), (355, 80042), (710, 40021), (1291, 22010), (2201, 12910), (2582, 11005), (4402, 6455)]