2251975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 3214080

約数和(自身を除く): 962105

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 431, 475, 1045, 2155, 4741, 5225, 8189, 10775, 23705, 40945, 90079, 118525, 204725, 450395, 2251975]

約数ペア:

[(1, 2251975), (5, 450395), (11, 204725), (19, 118525), (25, 90079), (55, 40945), (95, 23705), (209, 10775), (275, 8189), (431, 5225), (475, 4741), (1045, 2155)]