28233725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 38096520

約数和(自身を除く): 9862795

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 797, 1417, 2725, 3985, 7085, 10361, 19925, 35425, 51805, 86873, 259025, 434365, 1129349, 2171825, 5646745, 28233725]

約数ペア:

[(1, 28233725), (5, 5646745), (13, 2171825), (25, 1129349), (65, 434365), (109, 259025), (325, 86873), (545, 51805), (797, 35425), (1417, 19925), (2725, 10361), (3985, 7085)]