399250872

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^2\times {\mathrm{2999}}^1$

素因数の和:3097

約数の個数: 72

約数和(自身を含む): 1107405000

約数和(自身を除く): 708154128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 1849, 2999, 3096, 3698, 5547, 5998, 7396, 8997, 11094, 11996, 14792, 16641, 17994, 22188, 23992, 26991, 33282, 35988, 44376, 53982, 66564, 71976, 107964, 128957, 133128, 215928, 257914, 386871, 515828, 773742, 1031656, 1160613, 1547484, 2321226, 3094968, 4642452, 5545151, 9284904, 11090302, 16635453, 22180604, 33270906, 44361208, 49906359, 66541812, 99812718, 133083624, 199625436, 399250872]

約数ペア:

[(1, 399250872), (2, 199625436), (3, 133083624), (4, 99812718), (6, 66541812), (8, 49906359), (9, 44361208), (12, 33270906), (18, 22180604), (24, 16635453), (36, 11090302), (43, 9284904), (72, 5545151), (86, 4642452), (129, 3094968), (172, 2321226), (258, 1547484), (344, 1160613), (387, 1031656), (516, 773742), (774, 515828), (1032, 386871), (1548, 257914), (1849, 215928), (2999, 133128), (3096, 128957), (3698, 107964), (5547, 71976), (5998, 66564), (7396, 53982), (8997, 44376), (11094, 35988), (11996, 33282), (14792, 26991), (16641, 23992), (17994, 22188)]