25287784

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 52747200

約数和(自身を除く): 27459416

約数列:

[1, 2, 4, 8, 19, 38, 43, 53, 73, 76, 86, 106, 146, 152, 172, 212, 292, 344, 424, 584, 817, 1007, 1387, 1634, 2014, 2279, 2774, 3139, 3268, 3869, 4028, 4558, 5548, 6278, 6536, 7738, 8056, 9116, 11096, 12556, 15476, 18232, 25112, 30952, 43301, 59641, 73511, 86602, 119282, 147022, 166367, 173204, 238564, 294044, 332734, 346408, 477128, 588088, 665468, 1330936, 3160973, 6321946, 12643892, 25287784]

約数ペア:

[(1, 25287784), (2, 12643892), (4, 6321946), (8, 3160973), (19, 1330936), (38, 665468), (43, 588088), (53, 477128), (73, 346408), (76, 332734), (86, 294044), (106, 238564), (146, 173204), (152, 166367), (172, 147022), (212, 119282), (292, 86602), (344, 73511), (424, 59641), (584, 43301), (817, 30952), (1007, 25112), (1387, 18232), (1634, 15476), (2014, 12556), (2279, 11096), (2774, 9116), (3139, 8056), (3268, 7738), (3869, 6536), (4028, 6278), (4558, 5548)]