218368904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 453826800

約数和(自身を除く): 235457896

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 173, 212, 229, 346, 424, 458, 689, 692, 916, 1378, 1384, 1832, 2249, 2756, 2977, 4498, 5512, 5954, 8996, 9169, 11908, 12137, 17992, 18338, 23816, 24274, 36676, 39617, 48548, 73352, 79234, 97096, 119197, 157781, 158468, 238394, 315562, 316936, 476788, 515021, 631124, 953576, 1030042, 1262248, 2060084, 2099701, 4120168, 4199402, 8398804, 16797608, 27296113, 54592226, 109184452, 218368904]

約数ペア:

[(1, 218368904), (2, 109184452), (4, 54592226), (8, 27296113), (13, 16797608), (26, 8398804), (52, 4199402), (53, 4120168), (104, 2099701), (106, 2060084), (173, 1262248), (212, 1030042), (229, 953576), (346, 631124), (424, 515021), (458, 476788), (689, 316936), (692, 315562), (916, 238394), (1378, 158468), (1384, 157781), (1832, 119197), (2249, 97096), (2756, 79234), (2977, 73352), (4498, 48548), (5512, 39617), (5954, 36676), (8996, 24274), (9169, 23816), (11908, 18338), (12137, 17992)]