399323808

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{106657}}^1$

素因数の和:106686

約数の個数: 72

約数和(自身を含む): 1222940628

約数和(自身を除く): 823616820

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 106657, 213314, 319971, 426628, 639942, 853256, 959913, 1279884, 1386541, 1706512, 1919826, 2559768, 2773082, 3413024, 3839652, 4159623, 5119536, 5546164, 7679304, 8319246, 10239072, 11092328, 12478869, 15358608, 16638492, 22184656, 24957738, 30717216, 33276984, 44369312, 49915476, 66553968, 99830952, 133107936, 199661904, 399323808]

約数ペア:

[(1, 399323808), (2, 199661904), (3, 133107936), (4, 99830952), (6, 66553968), (8, 49915476), (9, 44369312), (12, 33276984), (13, 30717216), (16, 24957738), (18, 22184656), (24, 16638492), (26, 15358608), (32, 12478869), (36, 11092328), (39, 10239072), (48, 8319246), (52, 7679304), (72, 5546164), (78, 5119536), (96, 4159623), (104, 3839652), (117, 3413024), (144, 2773082), (156, 2559768), (208, 1919826), (234, 1706512), (288, 1386541), (312, 1279884), (416, 959913), (468, 853256), (624, 639942), (936, 426628), (1248, 319971), (1872, 213314), (3744, 106657)]