68191630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16921}}^1$

素因数の和:16972

約数の個数: 32

約数和(自身を含む): 136459008

約数和(自身を除く): 68267378

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 16921, 33842, 84605, 169210, 219973, 439946, 524551, 1049102, 1099865, 2199730, 2622755, 5245510, 6819163, 13638326, 34095815, 68191630]

約数ペア:

[(1, 68191630), (2, 34095815), (5, 13638326), (10, 6819163), (13, 5245510), (26, 2622755), (31, 2199730), (62, 1099865), (65, 1049102), (130, 524551), (155, 439946), (310, 219973), (403, 169210), (806, 84605), (2015, 33842), (4030, 16921)]