200901305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{367}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 271848960

約数和(自身を除く): 70947655

約数列:

[1, 5, 11, 37, 55, 185, 269, 367, 407, 1345, 1835, 2035, 2959, 4037, 9953, 13579, 14795, 20185, 49765, 67895, 98723, 109483, 149369, 493615, 547415, 746845, 1085953, 3652751, 5429765, 18263755, 40180261, 200901305]

約数ペア:

[(1, 200901305), (5, 40180261), (11, 18263755), (37, 5429765), (55, 3652751), (185, 1085953), (269, 746845), (367, 547415), (407, 493615), (1345, 149369), (1835, 109483), (2035, 98723), (2959, 67895), (4037, 49765), (9953, 20185), (13579, 14795)]