16987726

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 31119552

約数和(自身を除く): 14131826

約数列:

[1, 2, 7, 14, 17, 34, 119, 137, 238, 274, 521, 959, 1042, 1918, 2329, 3647, 4658, 7294, 8857, 16303, 17714, 32606, 61999, 71377, 123998, 142754, 499639, 999278, 1213409, 2426818, 8493863, 16987726]

約数ペア:

[(1, 16987726), (2, 8493863), (7, 2426818), (14, 1213409), (17, 999278), (34, 499639), (119, 142754), (137, 123998), (238, 71377), (274, 61999), (521, 32606), (959, 17714), (1042, 16303), (1918, 8857), (2329, 7294), (3647, 4658)]