642488

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 1539000

約数和(自身を除く): 896512

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 149, 154, 196, 298, 308, 392, 539, 596, 616, 1043, 1078, 1192, 1639, 2086, 2156, 3278, 4172, 4312, 6556, 7301, 8344, 11473, 13112, 14602, 22946, 29204, 45892, 58408, 80311, 91784, 160622, 321244, 642488]

約数ペア:

[(1, 642488), (2, 321244), (4, 160622), (7, 91784), (8, 80311), (11, 58408), (14, 45892), (22, 29204), (28, 22946), (44, 14602), (49, 13112), (56, 11473), (77, 8344), (88, 7301), (98, 6556), (149, 4312), (154, 4172), (196, 3278), (298, 2156), (308, 2086), (392, 1639), (539, 1192), (596, 1078), (616, 1043)]