217466612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 443751840

約数和(自身を除く): 226285228

約数列:

[1, 2, 4, 11, 22, 31, 37, 44, 62, 74, 124, 139, 148, 278, 341, 407, 556, 682, 814, 961, 1147, 1364, 1529, 1628, 1922, 2294, 3058, 3844, 4309, 4588, 5143, 6116, 8618, 10286, 10571, 12617, 17236, 20572, 21142, 25234, 35557, 42284, 47399, 50468, 56573, 71114, 94798, 113146, 133579, 142228, 159433, 189596, 226292, 267158, 318866, 391127, 534316, 637732, 782254, 1469369, 1564508, 1753763, 2938738, 3507526, 4942423, 5877476, 7015052, 9884846, 19769692, 54366653, 108733306, 217466612]

約数ペア:

[(1, 217466612), (2, 108733306), (4, 54366653), (11, 19769692), (22, 9884846), (31, 7015052), (37, 5877476), (44, 4942423), (62, 3507526), (74, 2938738), (124, 1753763), (139, 1564508), (148, 1469369), (278, 782254), (341, 637732), (407, 534316), (556, 391127), (682, 318866), (814, 267158), (961, 226292), (1147, 189596), (1364, 159433), (1529, 142228), (1628, 133579), (1922, 113146), (2294, 94798), (3058, 71114), (3844, 56573), (4309, 50468), (4588, 47399), (5143, 42284), (6116, 35557), (8618, 25234), (10286, 21142), (10571, 20572), (12617, 17236)]