201961630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21881}}^1$

素因数の和:21972

約数の個数: 32

約数和(自身を含む): 397027008

約数和(自身を除く): 195065378

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 21881, 43762, 109405, 218810, 284453, 568906, 1422265, 1553551, 2844530, 3107102, 7767755, 15535510, 20196163, 40392326, 100980815, 201961630]

約数ペア:

[(1, 201961630), (2, 100980815), (5, 40392326), (10, 20196163), (13, 15535510), (26, 7767755), (65, 3107102), (71, 2844530), (130, 1553551), (142, 1422265), (355, 568906), (710, 284453), (923, 218810), (1846, 109405), (4615, 43762), (9230, 21881)]