399191808

素因数分解:

$2^8\times 3^1\times {\mathrm{61}}^1\times {\mathrm{8521}}^1$

素因数の和:8601

約数の個数: 72

約数和(自身を含む): 1079976016

約数和(自身を除く): 680784208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 256, 366, 384, 488, 732, 768, 976, 1464, 1952, 2928, 3904, 5856, 7808, 8521, 11712, 15616, 17042, 23424, 25563, 34084, 46848, 51126, 68168, 102252, 136336, 204504, 272672, 409008, 519781, 545344, 818016, 1039562, 1090688, 1559343, 1636032, 2079124, 2181376, 3118686, 3272064, 4158248, 6237372, 6544128, 8316496, 12474744, 16632992, 24949488, 33265984, 49898976, 66531968, 99797952, 133063936, 199595904, 399191808]

約数ペア:

[(1, 399191808), (2, 199595904), (3, 133063936), (4, 99797952), (6, 66531968), (8, 49898976), (12, 33265984), (16, 24949488), (24, 16632992), (32, 12474744), (48, 8316496), (61, 6544128), (64, 6237372), (96, 4158248), (122, 3272064), (128, 3118686), (183, 2181376), (192, 2079124), (244, 1636032), (256, 1559343), (366, 1090688), (384, 1039562), (488, 818016), (732, 545344), (768, 519781), (976, 409008), (1464, 272672), (1952, 204504), (2928, 136336), (3904, 102252), (5856, 68168), (7808, 51126), (8521, 46848), (11712, 34084), (15616, 25563), (17042, 23424)]