201818728

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{1181}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 388712520

約数和(自身を除く): 186893792

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 521, 1042, 1181, 2084, 2362, 4168, 4724, 9448, 21361, 42722, 48421, 85444, 96842, 170888, 193684, 387368, 615301, 1230602, 2461204, 4922408, 25227341, 50454682, 100909364, 201818728]

約数ペア:

[(1, 201818728), (2, 100909364), (4, 50454682), (8, 25227341), (41, 4922408), (82, 2461204), (164, 1230602), (328, 615301), (521, 387368), (1042, 193684), (1181, 170888), (2084, 96842), (2362, 85444), (4168, 48421), (4724, 42722), (9448, 21361)]