208889648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{62467}}^1$

素因数の和:62505

約数の個数: 40

約数和(自身を含む): 464761920

約数和(自身を除く): 255872272

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 62467, 124934, 249868, 499736, 687137, 999472, 1186873, 1374274, 2373746, 2748548, 4747492, 5497096, 9494984, 10994192, 13055603, 18989968, 26111206, 52222412, 104444824, 208889648]

約数ペア:

[(1, 208889648), (2, 104444824), (4, 52222412), (8, 26111206), (11, 18989968), (16, 13055603), (19, 10994192), (22, 9494984), (38, 5497096), (44, 4747492), (76, 2748548), (88, 2373746), (152, 1374274), (176, 1186873), (209, 999472), (304, 687137), (418, 499736), (836, 249868), (1672, 124934), (3344, 62467)]