390657025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83563}}^1$

素因数の和:83601

約数の個数: 24

約数和(自身を含む): 559544544

約数和(自身を除く): 168887519

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4675, 83563, 417815, 919193, 1420571, 2089075, 4595965, 7102855, 15626281, 22979825, 35514275, 78131405, 390657025]

約数ペア:

[(1, 390657025), (5, 78131405), (11, 35514275), (17, 22979825), (25, 15626281), (55, 7102855), (85, 4595965), (187, 2089075), (275, 1420571), (425, 919193), (935, 417815), (4675, 83563)]