213650975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4831}}^1$

素因数の和:4931

約数の個数: 24

約数和(自身を含む): 278613120

約数和(自身を除く): 64962145

約数列:

[1, 5, 25, 29, 61, 145, 305, 725, 1525, 1769, 4831, 8845, 24155, 44225, 120775, 140099, 294691, 700495, 1473455, 3502475, 7367275, 8546039, 42730195, 213650975]

約数ペア:

[(1, 213650975), (5, 42730195), (25, 8546039), (29, 7367275), (61, 3502475), (145, 1473455), (305, 700495), (725, 294691), (1525, 140099), (1769, 120775), (4831, 44225), (8845, 24155)]