87770072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2749}}^1$

素因数の和:3075

約数の個数: 32

約数和(自身を含む): 177870000

約数和(自身を除く): 90099928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 614, 1228, 2456, 2749, 3991, 5498, 7982, 10996, 15964, 21992, 31928, 35737, 71474, 142948, 285896, 843943, 1687886, 3375772, 6751544, 10971259, 21942518, 43885036, 87770072]

約数ペア:

[(1, 87770072), (2, 43885036), (4, 21942518), (8, 10971259), (13, 6751544), (26, 3375772), (52, 1687886), (104, 843943), (307, 285896), (614, 142948), (1228, 71474), (2456, 35737), (2749, 31928), (3991, 21992), (5498, 15964), (7982, 10996)]