388906752

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{38953}}^1$

素因数の和:38985

約数の個数: 72

約数和(自身を含む): 1114707664

約数和(自身を除く): 725800912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2496, 3328, 4992, 9984, 38953, 77906, 116859, 155812, 233718, 311624, 467436, 506389, 623248, 934872, 1012778, 1246496, 1519167, 1869744, 2025556, 2492992, 3038334, 3739488, 4051112, 4985984, 6076668, 7478976, 8102224, 9971968, 12153336, 14957952, 16204448, 24306672, 29915904, 32408896, 48613344, 64817792, 97226688, 129635584, 194453376, 388906752]

約数ペア:

[(1, 388906752), (2, 194453376), (3, 129635584), (4, 97226688), (6, 64817792), (8, 48613344), (12, 32408896), (13, 29915904), (16, 24306672), (24, 16204448), (26, 14957952), (32, 12153336), (39, 9971968), (48, 8102224), (52, 7478976), (64, 6076668), (78, 4985984), (96, 4051112), (104, 3739488), (128, 3038334), (156, 2492992), (192, 2025556), (208, 1869744), (256, 1519167), (312, 1246496), (384, 1012778), (416, 934872), (624, 623248), (768, 506389), (832, 467436), (1248, 311624), (1664, 233718), (2496, 155812), (3328, 116859), (4992, 77906), (9984, 38953)]