217440564

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^2$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 571150944

約数和(自身を除く): 353710380

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 211, 222, 407, 422, 444, 633, 814, 844, 1221, 1266, 1628, 2321, 2442, 2532, 4642, 4884, 6963, 7807, 9284, 13926, 15614, 23421, 27852, 31228, 44521, 46842, 85877, 89042, 93684, 133563, 171754, 178084, 257631, 267126, 343508, 489731, 515262, 534252, 979462, 1030524, 1469193, 1647277, 1958924, 2938386, 3294554, 4941831, 5876772, 6589108, 9883662, 18120047, 19767324, 36240094, 54360141, 72480188, 108720282, 217440564]

約数ペア:

[(1, 217440564), (2, 108720282), (3, 72480188), (4, 54360141), (6, 36240094), (11, 19767324), (12, 18120047), (22, 9883662), (33, 6589108), (37, 5876772), (44, 4941831), (66, 3294554), (74, 2938386), (111, 1958924), (132, 1647277), (148, 1469193), (211, 1030524), (222, 979462), (407, 534252), (422, 515262), (444, 489731), (633, 343508), (814, 267126), (844, 257631), (1221, 178084), (1266, 171754), (1628, 133563), (2321, 93684), (2442, 89042), (2532, 85877), (4642, 46842), (4884, 44521), (6963, 31228), (7807, 27852), (9284, 23421), (13926, 15614)]