247972075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1499}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 332010000

約数和(自身を除く): 84037925

約数列:

[1, 5, 13, 25, 65, 325, 509, 1499, 2545, 6617, 7495, 12725, 19487, 33085, 37475, 97435, 165425, 487175, 762991, 3814955, 9918883, 19074775, 49594415, 247972075]

約数ペア:

[(1, 247972075), (5, 49594415), (13, 19074775), (25, 9918883), (65, 3814955), (325, 762991), (509, 487175), (1499, 165425), (2545, 97435), (6617, 37475), (7495, 33085), (12725, 19487)]