71431490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3371}}^1$

素因数の和:3554

約数の個数: 32

約数和(自身を含む): 139358016

約数和(自身を除く): 67926526

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 3371, 4238, 6742, 10595, 16855, 21190, 33710, 43823, 87646, 219115, 438230, 549473, 1098946, 2747365, 5494730, 7143149, 14286298, 35715745, 71431490]

約数ペア:

[(1, 71431490), (2, 35715745), (5, 14286298), (10, 7143149), (13, 5494730), (26, 2747365), (65, 1098946), (130, 549473), (163, 438230), (326, 219115), (815, 87646), (1630, 43823), (2119, 33710), (3371, 21190), (4238, 16855), (6742, 10595)]