2019985175

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{4231}}^1$

素因数の和:4380

約数の個数: 36

約数和(自身を含む): 2736927504

約数和(自身を除く): 716942329

約数列:

[1, 5, 13, 25, 65, 113, 169, 325, 565, 845, 1469, 2825, 4225, 4231, 7345, 19097, 21155, 36725, 55003, 95485, 105775, 275015, 477425, 478103, 715039, 1375075, 2390515, 3575195, 6215339, 11952575, 17875975, 31076695, 80799407, 155383475, 403997035, 2019985175]

約数ペア:

[(1, 2019985175), (5, 403997035), (13, 155383475), (25, 80799407), (65, 31076695), (113, 17875975), (169, 11952575), (325, 6215339), (565, 3575195), (845, 2390515), (1469, 1375075), (2825, 715039), (4225, 478103), (4231, 477425), (7345, 275015), (19097, 105775), (21155, 95485), (36725, 55003)]