71828930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1471}}^1$

素因数の和:1754

約数の個数: 32

約数和(自身を含む): 136719360

約数和(自身を除く): 64890430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 257, 514, 1285, 1471, 2570, 2942, 4883, 7355, 9766, 14710, 24415, 27949, 48830, 55898, 139745, 279490, 378047, 756094, 1890235, 3780470, 7182893, 14365786, 35914465, 71828930]

約数ペア:

[(1, 71828930), (2, 35914465), (5, 14365786), (10, 7182893), (19, 3780470), (38, 1890235), (95, 756094), (190, 378047), (257, 279490), (514, 139745), (1285, 55898), (1471, 48830), (2570, 27949), (2942, 24415), (4883, 14710), (7355, 9766)]