399105588

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{809}}^1\times {\mathrm{839}}^1$

素因数の和:1669

約数の個数: 72

約数和(自身を含む): 1085918400

約数和(自身を除く): 686812812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 809, 839, 1618, 1678, 2427, 2517, 3236, 3356, 4854, 5034, 5663, 5873, 9708, 10068, 11326, 11746, 16989, 17619, 22652, 23492, 33978, 35238, 39641, 41111, 67956, 70476, 79282, 82222, 118923, 123333, 158564, 164444, 237846, 246666, 475692, 493332, 678751, 1357502, 2036253, 2715004, 4072506, 4751257, 8145012, 9502514, 14253771, 19005028, 28507542, 33258799, 57015084, 66517598, 99776397, 133035196, 199552794, 399105588]

約数ペア:

[(1, 399105588), (2, 199552794), (3, 133035196), (4, 99776397), (6, 66517598), (7, 57015084), (12, 33258799), (14, 28507542), (21, 19005028), (28, 14253771), (42, 9502514), (49, 8145012), (84, 4751257), (98, 4072506), (147, 2715004), (196, 2036253), (294, 1357502), (588, 678751), (809, 493332), (839, 475692), (1618, 246666), (1678, 237846), (2427, 164444), (2517, 158564), (3236, 123333), (3356, 118923), (4854, 82222), (5034, 79282), (5663, 70476), (5873, 67956), (9708, 41111), (10068, 39641), (11326, 35238), (11746, 33978), (16989, 23492), (17619, 22652)]