1265225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 1796760

約数和(自身を除く): 531535

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 229, 325, 425, 1105, 1145, 2977, 3893, 5525, 5725, 14885, 19465, 50609, 74425, 97325, 253045, 1265225]

約数ペア:

[(1, 1265225), (5, 253045), (13, 97325), (17, 74425), (25, 50609), (65, 19465), (85, 14885), (221, 5725), (229, 5525), (325, 3893), (425, 2977), (1105, 1145)]