215978672

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21191}}^1$

素因数の和:21226

約数の個数: 60

約数和(自身を含む): 524247696

約数和(自身を除く): 308269024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 10192, 21191, 42382, 84764, 148337, 169528, 275483, 296674, 339056, 550966, 593348, 1038359, 1101932, 1186696, 1928381, 2076718, 2203864, 2373392, 3856762, 4153436, 4407728, 7713524, 8306872, 13498667, 15427048, 16613744, 26997334, 30854096, 53994668, 107989336, 215978672]

約数ペア:

[(1, 215978672), (2, 107989336), (4, 53994668), (7, 30854096), (8, 26997334), (13, 16613744), (14, 15427048), (16, 13498667), (26, 8306872), (28, 7713524), (49, 4407728), (52, 4153436), (56, 3856762), (91, 2373392), (98, 2203864), (104, 2076718), (112, 1928381), (182, 1186696), (196, 1101932), (208, 1038359), (364, 593348), (392, 550966), (637, 339056), (728, 296674), (784, 275483), (1274, 169528), (1456, 148337), (2548, 84764), (5096, 42382), (10192, 21191)]