8918390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2264

約数の個数: 32

約数和(自身を含む): 17853696

約数和(自身を除く): 8935306

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 2213, 4030, 4426, 11065, 22130, 28769, 57538, 68603, 137206, 143845, 287690, 343015, 686030, 891839, 1783678, 4459195, 8918390]

約数ペア:

[(1, 8918390), (2, 4459195), (5, 1783678), (10, 891839), (13, 686030), (26, 343015), (31, 287690), (62, 143845), (65, 137206), (130, 68603), (155, 57538), (310, 28769), (403, 22130), (806, 11065), (2015, 4426), (2213, 4030)]