78721818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{26399}}^1$

素因数の和:26482

約数の個数: 32

約数和(自身を含む): 182476800

約数和(自身を除く): 103754982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 26399, 52798, 79197, 158394, 184793, 369586, 554379, 1108758, 1874329, 3748658, 5622987, 11245974, 13120303, 26240606, 39360909, 78721818]

約数ペア:

[(1, 78721818), (2, 39360909), (3, 26240606), (6, 13120303), (7, 11245974), (14, 5622987), (21, 3748658), (42, 1874329), (71, 1108758), (142, 554379), (213, 369586), (426, 184793), (497, 158394), (994, 79197), (1491, 52798), (2982, 26399)]