72866255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3571}}^1$

素因数の和:3647

約数の個数: 32

約数和(自身を含む): 111103488

約数和(自身を除く): 38237233

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 1855, 2915, 3571, 4081, 17855, 20405, 24997, 39281, 124985, 189263, 196405, 274967, 946315, 1324841, 1374835, 2081893, 6624205, 10409465, 14573251, 72866255]

約数ペア:

[(1, 72866255), (5, 14573251), (7, 10409465), (11, 6624205), (35, 2081893), (53, 1374835), (55, 1324841), (77, 946315), (265, 274967), (371, 196405), (385, 189263), (583, 124985), (1855, 39281), (2915, 24997), (3571, 20405), (4081, 17855)]