263228725

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1709}}^1$

素因数の和:1881

約数の個数: 24

約数和(自身を含む): 335235240

約数和(自身を除く): 72006515

約数列:

[1, 5, 25, 61, 101, 305, 505, 1525, 1709, 2525, 6161, 8545, 30805, 42725, 104249, 154025, 172609, 521245, 863045, 2606225, 4315225, 10529149, 52645745, 263228725]

約数ペア:

[(1, 263228725), (5, 52645745), (25, 10529149), (61, 4315225), (101, 2606225), (305, 863045), (505, 521245), (1525, 172609), (1709, 154025), (2525, 104249), (6161, 42725), (8545, 30805)]