817712

素因数分解:

$2^4\times 7^3\times {\mathrm{149}}^1$

素因数の和:178

約数の個数: 40

約数和(自身を含む): 1860000

約数和(自身を除く): 1042288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 149, 196, 298, 343, 392, 596, 686, 784, 1043, 1192, 1372, 2086, 2384, 2744, 4172, 5488, 7301, 8344, 14602, 16688, 29204, 51107, 58408, 102214, 116816, 204428, 408856, 817712]

約数ペア:

[(1, 817712), (2, 408856), (4, 204428), (7, 116816), (8, 102214), (14, 58408), (16, 51107), (28, 29204), (49, 16688), (56, 14602), (98, 8344), (112, 7301), (149, 5488), (196, 4172), (298, 2744), (343, 2384), (392, 2086), (596, 1372), (686, 1192), (784, 1043)]