72428728

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{443}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 138101760

約数和(自身を除く): 65673032

約数列:

[1, 2, 4, 8, 107, 191, 214, 382, 428, 443, 764, 856, 886, 1528, 1772, 3544, 20437, 40874, 47401, 81748, 84613, 94802, 163496, 169226, 189604, 338452, 379208, 676904, 9053591, 18107182, 36214364, 72428728]

約数ペア:

[(1, 72428728), (2, 36214364), (4, 18107182), (8, 9053591), (107, 676904), (191, 379208), (214, 338452), (382, 189604), (428, 169226), (443, 163496), (764, 94802), (856, 84613), (886, 81748), (1528, 47401), (1772, 40874), (3544, 20437)]