1915741685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{6551}}^1$

素因数の和:6989

約数の個数: 32

約数和(自身を含む): 2707810560

約数和(自身を除く): 792068875

約数列:

[1, 5, 11, 13, 55, 65, 143, 409, 715, 2045, 4499, 5317, 6551, 22495, 26585, 32755, 58487, 72061, 85163, 292435, 360305, 425815, 936793, 2679359, 4683965, 13396795, 29472949, 34831667, 147364745, 174158335, 383148337, 1915741685]

約数ペア:

[(1, 1915741685), (5, 383148337), (11, 174158335), (13, 147364745), (55, 34831667), (65, 29472949), (143, 13396795), (409, 4683965), (715, 2679359), (2045, 936793), (4499, 425815), (5317, 360305), (6551, 292435), (22495, 85163), (26585, 72061), (32755, 58487)]