398535144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{18679}}^1$

素因数の和:18822

約数の個数: 64

約数和(自身を含む): 1147699200

約数和(自身を除く): 749164056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 889, 1016, 1524, 1778, 2667, 3048, 3556, 5334, 7112, 10668, 18679, 21336, 37358, 56037, 74716, 112074, 130753, 149432, 224148, 261506, 392259, 448296, 523012, 784518, 1046024, 1569036, 2372233, 3138072, 4744466, 7116699, 9488932, 14233398, 16605631, 18977864, 28466796, 33211262, 49816893, 56933592, 66422524, 99633786, 132845048, 199267572, 398535144]

約数ペア:

[(1, 398535144), (2, 199267572), (3, 132845048), (4, 99633786), (6, 66422524), (7, 56933592), (8, 49816893), (12, 33211262), (14, 28466796), (21, 18977864), (24, 16605631), (28, 14233398), (42, 9488932), (56, 7116699), (84, 4744466), (127, 3138072), (168, 2372233), (254, 1569036), (381, 1046024), (508, 784518), (762, 523012), (889, 448296), (1016, 392259), (1524, 261506), (1778, 224148), (2667, 149432), (3048, 130753), (3556, 112074), (5334, 74716), (7112, 56037), (10668, 37358), (18679, 21336)]