199055615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{2153}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 267216624

約数和(自身を除く): 68161009

約数列:

[1, 5, 11, 41, 55, 205, 451, 1681, 2153, 2255, 8405, 10765, 18491, 23683, 88273, 92455, 118415, 441365, 971003, 3619193, 4855015, 18095965, 39811123, 199055615]

約数ペア:

[(1, 199055615), (5, 39811123), (11, 18095965), (41, 4855015), (55, 3619193), (205, 971003), (451, 441365), (1681, 118415), (2153, 92455), (2255, 88273), (8405, 23683), (10765, 18491)]