161572225

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1049}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 205846200

約数和(自身を除く): 44273975

約数列:

[1, 5, 25, 61, 101, 305, 505, 1049, 1525, 2525, 5245, 6161, 26225, 30805, 63989, 105949, 154025, 319945, 529745, 1599725, 2648725, 6462889, 32314445, 161572225]

約数ペア:

[(1, 161572225), (5, 32314445), (25, 6462889), (61, 2648725), (101, 1599725), (305, 529745), (505, 319945), (1049, 154025), (1525, 105949), (2525, 63989), (5245, 30805), (6161, 26225)]