399057152

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6311}}^1$

素因数の和:6359

約数の個数: 72

約数和(自身を含む): 903120960

約数和(自身を除く): 504063808

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1664, 1976, 2432, 3328, 3952, 4864, 6311, 7904, 12622, 15808, 25244, 31616, 50488, 63232, 82043, 100976, 119909, 164086, 201952, 239818, 328172, 403904, 479636, 656344, 807808, 959272, 1312688, 1558817, 1615616, 1918544, 2625376, 3117634, 3837088, 5250752, 6235268, 7674176, 10501504, 12470536, 15348352, 21003008, 24941072, 30696704, 49882144, 99764288, 199528576, 399057152]

約数ペア:

[(1, 399057152), (2, 199528576), (4, 99764288), (8, 49882144), (13, 30696704), (16, 24941072), (19, 21003008), (26, 15348352), (32, 12470536), (38, 10501504), (52, 7674176), (64, 6235268), (76, 5250752), (104, 3837088), (128, 3117634), (152, 2625376), (208, 1918544), (247, 1615616), (256, 1558817), (304, 1312688), (416, 959272), (494, 807808), (608, 656344), (832, 479636), (988, 403904), (1216, 328172), (1664, 239818), (1976, 201952), (2432, 164086), (3328, 119909), (3952, 100976), (4864, 82043), (6311, 63232), (7904, 50488), (12622, 31616), (15808, 25244)]