1311950285

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{2393}}^1$

素因数の和:2645

約数の個数: 32

約数和(自身を含む): 1723680000

約数和(自身を除く): 411729715

約数列:

[1, 5, 19, 29, 95, 145, 199, 551, 995, 2393, 2755, 3781, 5771, 11965, 18905, 28855, 45467, 69397, 109649, 227335, 346985, 476207, 548245, 1318543, 2381035, 6592715, 9047933, 13810003, 45239665, 69050015, 262390057, 1311950285]

約数ペア:

[(1, 1311950285), (5, 262390057), (19, 69050015), (29, 45239665), (95, 13810003), (145, 9047933), (199, 6592715), (551, 2381035), (995, 1318543), (2393, 548245), (2755, 476207), (3781, 346985), (5771, 227335), (11965, 109649), (18905, 69397), (28855, 45467)]