128216990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{3677}}^1$

素因数の和:4012

約数の個数: 32

約数和(自身を含む): 252634464

約数和(自身を除く): 124417474

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 317, 634, 1585, 3170, 3487, 3677, 6974, 7354, 17435, 18385, 34870, 36770, 40447, 80894, 202235, 404470, 1165609, 2331218, 5828045, 11656090, 12821699, 25643398, 64108495, 128216990]

約数ペア:

[(1, 128216990), (2, 64108495), (5, 25643398), (10, 12821699), (11, 11656090), (22, 5828045), (55, 2331218), (110, 1165609), (317, 404470), (634, 202235), (1585, 80894), (3170, 40447), (3487, 36770), (3677, 34870), (6974, 18385), (7354, 17435)]