81627710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1913}}^1$

素因数の和:2188

約数の個数: 32

約数和(自身を含む): 156274272

約数和(自身を除く): 74646562

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 502, 1255, 1913, 2510, 3826, 4267, 8534, 9565, 19130, 21335, 32521, 42670, 65042, 162605, 325210, 480163, 960326, 2400815, 4801630, 8162771, 16325542, 40813855, 81627710]

約数ペア:

[(1, 81627710), (2, 40813855), (5, 16325542), (10, 8162771), (17, 4801630), (34, 2400815), (85, 960326), (170, 480163), (251, 325210), (502, 162605), (1255, 65042), (1913, 42670), (2510, 32521), (3826, 21335), (4267, 19130), (8534, 9565)]