201117305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 257126400

約数和(自身を除く): 56009095

約数列:

[1, 5, 31, 61, 89, 155, 239, 305, 445, 1195, 1891, 2759, 5429, 7409, 9455, 13795, 14579, 21271, 27145, 37045, 72895, 106355, 168299, 451949, 659401, 841495, 1297531, 2259745, 3297005, 6487655, 40223461, 201117305]

約数ペア:

[(1, 201117305), (5, 40223461), (31, 6487655), (61, 3297005), (89, 2259745), (155, 1297531), (239, 841495), (305, 659401), (445, 451949), (1195, 168299), (1891, 106355), (2759, 72895), (5429, 37045), (7409, 27145), (9455, 21271), (13795, 14579)]