263909425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{28001}}^1$

素因数の和:28053

約数の個数: 24

約数和(自身を含む): 364586040

約数和(自身を除く): 100676615

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 9425, 28001, 140005, 364013, 700025, 812029, 1820065, 4060145, 9100325, 10556377, 20300725, 52781885, 263909425]

約数ペア:

[(1, 263909425), (5, 52781885), (13, 20300725), (25, 10556377), (29, 9100325), (65, 4060145), (145, 1820065), (325, 812029), (377, 700025), (725, 364013), (1885, 140005), (9425, 28001)]