31869305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 12256903

約数列:

[1, 5, 13, 17, 65, 85, 151, 191, 221, 755, 955, 1105, 1963, 2483, 2567, 3247, 9815, 12415, 12835, 16235, 28841, 33371, 42211, 144205, 166855, 211055, 374933, 490297, 1874665, 2451485, 6373861, 31869305]

約数ペア:

[(1, 31869305), (5, 6373861), (13, 2451485), (17, 1874665), (65, 490297), (85, 374933), (151, 211055), (191, 166855), (221, 144205), (755, 42211), (955, 33371), (1105, 28841), (1963, 16235), (2483, 12835), (2567, 12415), (3247, 9815)]