212643508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{22271}}^1$

素因数の和:22324

約数の個数: 48

約数和(自身を含む): 478937088

約数和(自身を除く): 266293580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 4774, 9548, 22271, 44542, 89084, 155897, 244981, 311794, 489962, 623588, 690401, 979924, 1380802, 1714867, 2761604, 3429734, 4832807, 6859468, 7594411, 9665614, 15188822, 19331228, 30377644, 53160877, 106321754, 212643508]

約数ペア:

[(1, 212643508), (2, 106321754), (4, 53160877), (7, 30377644), (11, 19331228), (14, 15188822), (22, 9665614), (28, 7594411), (31, 6859468), (44, 4832807), (62, 3429734), (77, 2761604), (124, 1714867), (154, 1380802), (217, 979924), (308, 690401), (341, 623588), (434, 489962), (682, 311794), (868, 244981), (1364, 155897), (2387, 89084), (4774, 44542), (9548, 22271)]