898690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 1806336

約数和(自身を除く): 907646

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 223, 310, 403, 446, 806, 1115, 2015, 2230, 2899, 4030, 5798, 6913, 13826, 14495, 28990, 34565, 69130, 89869, 179738, 449345, 898690]

約数ペア:

[(1, 898690), (2, 449345), (5, 179738), (10, 89869), (13, 69130), (26, 34565), (31, 28990), (62, 14495), (65, 13826), (130, 6913), (155, 5798), (223, 4030), (310, 2899), (403, 2230), (446, 2015), (806, 1115)]