28423525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4603}}^1$

素因数の和:4645

約数の個数: 24

約数和(自身を含む): 39962720

約数和(自身を除く): 11539195

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 4603, 6175, 23015, 59839, 87457, 115075, 299195, 437285, 1136941, 1495975, 2186425, 5684705, 28423525]

約数ペア:

[(1, 28423525), (5, 5684705), (13, 2186425), (19, 1495975), (25, 1136941), (65, 437285), (95, 299195), (247, 115075), (325, 87457), (475, 59839), (1235, 23015), (4603, 6175)]