399131928

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{463}}^1$

素因数の和:798

約数の個数: 128

約数和(自身を含む): 1200460800

約数和(自身を除く): 801328872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 307, 312, 351, 463, 468, 614, 702, 921, 926, 936, 1228, 1389, 1404, 1842, 1852, 2456, 2763, 2778, 2808, 3684, 3704, 3991, 4167, 5526, 5556, 6019, 7368, 7982, 8289, 8334, 11052, 11112, 11973, 12038, 12501, 15964, 16578, 16668, 18057, 22104, 23946, 24076, 25002, 31928, 33156, 33336, 35919, 36114, 47892, 48152, 50004, 54171, 66312, 71838, 72228, 95784, 100008, 107757, 108342, 142141, 143676, 144456, 162513, 215514, 216684, 284282, 287352, 325026, 426423, 431028, 433368, 568564, 650052, 852846, 862056, 1137128, 1279269, 1300104, 1705692, 1847833, 2558538, 3411384, 3695666, 3837807, 5117076, 5543499, 7391332, 7675614, 10234152, 11086998, 14782664, 15351228, 16630497, 22173996, 30702456, 33260994, 44347992, 49891491, 66521988, 99782982, 133043976, 199565964, 399131928]

約数ペア:

[(1, 399131928), (2, 199565964), (3, 133043976), (4, 99782982), (6, 66521988), (8, 49891491), (9, 44347992), (12, 33260994), (13, 30702456), (18, 22173996), (24, 16630497), (26, 15351228), (27, 14782664), (36, 11086998), (39, 10234152), (52, 7675614), (54, 7391332), (72, 5543499), (78, 5117076), (104, 3837807), (108, 3695666), (117, 3411384), (156, 2558538), (216, 1847833), (234, 1705692), (307, 1300104), (312, 1279269), (351, 1137128), (463, 862056), (468, 852846), (614, 650052), (702, 568564), (921, 433368), (926, 431028), (936, 426423), (1228, 325026), (1389, 287352), (1404, 284282), (1842, 216684), (1852, 215514), (2456, 162513), (2763, 144456), (2778, 143676), (2808, 142141), (3684, 108342), (3704, 107757), (3991, 100008), (4167, 95784), (5526, 72228), (5556, 71838), (6019, 66312), (7368, 54171), (7982, 50004), (8289, 48152), (8334, 47892), (11052, 36114), (11112, 35919), (11973, 33336), (12038, 33156), (12501, 31928), (15964, 25002), (16578, 24076), (16668, 23946), (18057, 22104)]