86921210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1409}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 162432000

約数和(自身を除く): 75510790

約数列:

[1, 2, 5, 10, 31, 62, 155, 199, 310, 398, 995, 1409, 1990, 2818, 6169, 7045, 12338, 14090, 30845, 43679, 61690, 87358, 218395, 280391, 436790, 560782, 1401955, 2803910, 8692121, 17384242, 43460605, 86921210]

約数ペア:

[(1, 86921210), (2, 43460605), (5, 17384242), (10, 8692121), (31, 2803910), (62, 1401955), (155, 560782), (199, 436790), (310, 280391), (398, 218395), (995, 87358), (1409, 61690), (1990, 43679), (2818, 30845), (6169, 14090), (7045, 12338)]