201721628

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{457}}^1\times {\mathrm{677}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 356481552

約数和(自身を除く): 154759924

約数列:

[1, 2, 4, 163, 326, 457, 652, 677, 914, 1354, 1828, 2708, 74491, 110351, 148982, 220702, 297964, 309389, 441404, 618778, 1237556, 50430407, 100860814, 201721628]

約数ペア:

[(1, 201721628), (2, 100860814), (4, 50430407), (163, 1237556), (326, 618778), (457, 441404), (652, 309389), (677, 297964), (914, 220702), (1354, 148982), (1828, 110351), (2708, 74491)]