172904305

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 245099520

約数和(自身を除く): 72195215

約数列:

[1, 5, 7, 35, 47, 89, 235, 329, 445, 623, 1181, 1645, 3115, 4183, 5905, 8267, 20915, 29281, 41335, 55507, 105109, 146405, 277535, 388549, 525545, 735763, 1942745, 3678815, 4940123, 24700615, 34580861, 172904305]

約数ペア:

[(1, 172904305), (5, 34580861), (7, 24700615), (35, 4940123), (47, 3678815), (89, 1942745), (235, 735763), (329, 525545), (445, 388549), (623, 277535), (1181, 146405), (1645, 105109), (3115, 55507), (4183, 41335), (5905, 29281), (8267, 20915)]