813404816

素因数分解:

$2^4\times 7^1\times {\mathrm{947}}^1\times {\mathrm{7669}}^1$

素因数の和:8631

約数の個数: 40

約数和(自身を含む): 1803247680

約数和(自身を除く): 989842864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 947, 1894, 3788, 6629, 7576, 7669, 13258, 15152, 15338, 26516, 30676, 53032, 53683, 61352, 106064, 107366, 122704, 214732, 429464, 858928, 7262543, 14525086, 29050172, 50837801, 58100344, 101675602, 116200688, 203351204, 406702408, 813404816]

約数ペア:

[(1, 813404816), (2, 406702408), (4, 203351204), (7, 116200688), (8, 101675602), (14, 58100344), (16, 50837801), (28, 29050172), (56, 14525086), (112, 7262543), (947, 858928), (1894, 429464), (3788, 214732), (6629, 122704), (7576, 107366), (7669, 106064), (13258, 61352), (15152, 53683), (15338, 53032), (26516, 30676)]