78440890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41947}}^1$

素因数の和:41982

約数の個数: 32

約数和(自身を含む): 163093824

約数和(自身を除く): 84652934

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 41947, 83894, 209735, 419470, 461417, 713099, 922834, 1426198, 2307085, 3565495, 4614170, 7130990, 7844089, 15688178, 39220445, 78440890]

約数ペア:

[(1, 78440890), (2, 39220445), (5, 15688178), (10, 7844089), (11, 7130990), (17, 4614170), (22, 3565495), (34, 2307085), (55, 1426198), (85, 922834), (110, 713099), (170, 461417), (187, 419470), (374, 209735), (935, 83894), (1870, 41947)]