215907902

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 395518464

約数和(自身を除く): 179610562

約数列:

[1, 2, 7, 14, 43, 53, 67, 86, 101, 106, 134, 202, 301, 371, 469, 602, 707, 742, 938, 1414, 2279, 2881, 3551, 4343, 4558, 5353, 5762, 6767, 7102, 8686, 10706, 13534, 15953, 20167, 24857, 30401, 31906, 37471, 40334, 47369, 49714, 60802, 74942, 94738, 152693, 230179, 290981, 305386, 358651, 460358, 581962, 717302, 1068851, 1611253, 2036867, 2137702, 2510557, 3222506, 4073734, 5021114, 15421993, 30843986, 107953951, 215907902]

約数ペア:

[(1, 215907902), (2, 107953951), (7, 30843986), (14, 15421993), (43, 5021114), (53, 4073734), (67, 3222506), (86, 2510557), (101, 2137702), (106, 2036867), (134, 1611253), (202, 1068851), (301, 717302), (371, 581962), (469, 460358), (602, 358651), (707, 305386), (742, 290981), (938, 230179), (1414, 152693), (2279, 94738), (2881, 74942), (3551, 60802), (4343, 49714), (4558, 47369), (5353, 40334), (5762, 37471), (6767, 31906), (7102, 30401), (8686, 24857), (10706, 20167), (13534, 15953)]