278314718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1913}}^1$

素因数の和:2332

約数の個数: 32

約数和(自身を含む): 483706080

約数和(自身を除く): 205391362

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 389, 778, 1913, 3826, 4279, 6613, 8558, 13226, 21043, 32521, 42086, 65042, 72743, 145486, 357731, 715462, 744157, 1488314, 8185727, 12650669, 16371454, 25301338, 139157359, 278314718]

約数ペア:

[(1, 278314718), (2, 139157359), (11, 25301338), (17, 16371454), (22, 12650669), (34, 8185727), (187, 1488314), (374, 744157), (389, 715462), (778, 357731), (1913, 145486), (3826, 72743), (4279, 65042), (6613, 42086), (8558, 32521), (13226, 21043)]