80969588

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 167142528

約数和(自身を除く): 86172940

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 251, 281, 287, 502, 562, 574, 1004, 1124, 1148, 1757, 1967, 3514, 3934, 7028, 7868, 10291, 11521, 20582, 23042, 41164, 46084, 70531, 72037, 80647, 141062, 144074, 161294, 282124, 288148, 322588, 493717, 987434, 1974868, 2891771, 5783542, 11567084, 20242397, 40484794, 80969588]

約数ペア:

[(1, 80969588), (2, 40484794), (4, 20242397), (7, 11567084), (14, 5783542), (28, 2891771), (41, 1974868), (82, 987434), (164, 493717), (251, 322588), (281, 288148), (287, 282124), (502, 161294), (562, 144074), (574, 141062), (1004, 80647), (1124, 72037), (1148, 70531), (1757, 46084), (1967, 41164), (3514, 23042), (3934, 20582), (7028, 11521), (7868, 10291)]