71945816

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{547}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 138786480

約数和(自身を除く): 66840664

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 401, 547, 802, 1094, 1604, 2188, 3208, 4376, 16441, 22427, 32882, 44854, 65764, 89708, 131528, 179416, 219347, 438694, 877388, 1754776, 8993227, 17986454, 35972908, 71945816]

約数ペア:

[(1, 71945816), (2, 35972908), (4, 17986454), (8, 8993227), (41, 1754776), (82, 877388), (164, 438694), (328, 219347), (401, 179416), (547, 131528), (802, 89708), (1094, 65764), (1604, 44854), (2188, 32882), (3208, 22427), (4376, 16441)]