131181856

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:354

約数の個数: 72

約数和(自身を含む): 283336704

約数和(自身を除く): 152154848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 127, 169, 191, 208, 254, 338, 382, 416, 508, 676, 764, 1016, 1352, 1528, 1651, 2032, 2483, 2704, 3056, 3302, 4064, 4966, 5408, 6112, 6604, 9932, 13208, 19864, 21463, 24257, 26416, 32279, 39728, 42926, 48514, 52832, 64558, 79456, 85852, 97028, 129116, 171704, 194056, 258232, 315341, 343408, 388112, 516464, 630682, 686816, 776224, 1032928, 1261364, 2522728, 4099433, 5045456, 8198866, 10090912, 16397732, 32795464, 65590928, 131181856]

約数ペア:

[(1, 131181856), (2, 65590928), (4, 32795464), (8, 16397732), (13, 10090912), (16, 8198866), (26, 5045456), (32, 4099433), (52, 2522728), (104, 1261364), (127, 1032928), (169, 776224), (191, 686816), (208, 630682), (254, 516464), (338, 388112), (382, 343408), (416, 315341), (508, 258232), (676, 194056), (764, 171704), (1016, 129116), (1352, 97028), (1528, 85852), (1651, 79456), (2032, 64558), (2483, 52832), (2704, 48514), (3056, 42926), (3302, 39728), (4064, 32279), (4966, 26416), (5408, 24257), (6112, 21463), (6604, 19864), (9932, 13208)]