399963228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89839}}^1$

素因数の和:89906

約数の個数: 48

約数和(自身を含む): 1086704640

約数和(自身を除く): 686741412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 89839, 179678, 269517, 359356, 539034, 628873, 1078068, 1257746, 1886619, 2515492, 3773238, 4761467, 7546476, 9522934, 14284401, 19045868, 28568802, 33330269, 57137604, 66660538, 99990807, 133321076, 199981614, 399963228]

約数ペア:

[(1, 399963228), (2, 199981614), (3, 133321076), (4, 99990807), (6, 66660538), (7, 57137604), (12, 33330269), (14, 28568802), (21, 19045868), (28, 14284401), (42, 9522934), (53, 7546476), (84, 4761467), (106, 3773238), (159, 2515492), (212, 1886619), (318, 1257746), (371, 1078068), (636, 628873), (742, 539034), (1113, 359356), (1484, 269517), (2226, 179678), (4452, 89839)]