15949904

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 32081280

約数和(自身を除く): 16131376

約数列:

[1, 2, 4, 8, 16, 43, 86, 97, 172, 194, 239, 344, 388, 478, 688, 776, 956, 1552, 1912, 3824, 4171, 8342, 10277, 16684, 20554, 23183, 33368, 41108, 46366, 66736, 82216, 92732, 164432, 185464, 370928, 996869, 1993738, 3987476, 7974952, 15949904]

約数ペア:

[(1, 15949904), (2, 7974952), (4, 3987476), (8, 1993738), (16, 996869), (43, 370928), (86, 185464), (97, 164432), (172, 92732), (194, 82216), (239, 66736), (344, 46366), (388, 41108), (478, 33368), (688, 23183), (776, 20554), (956, 16684), (1552, 10277), (1912, 8342), (3824, 4171)]