397315856

素因数分解:

$2^4\times 7^1\times {\mathrm{563}}^1\times {\mathrm{6301}}^1$

素因数の和:6879

約数の個数: 40

約数和(自身を含む): 881473344

約数和(自身を除く): 484157488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 563, 1126, 2252, 3941, 4504, 6301, 7882, 9008, 12602, 15764, 25204, 31528, 44107, 50408, 63056, 88214, 100816, 176428, 352856, 705712, 3547463, 7094926, 14189852, 24832241, 28379704, 49664482, 56759408, 99328964, 198657928, 397315856]

約数ペア:

[(1, 397315856), (2, 198657928), (4, 99328964), (7, 56759408), (8, 49664482), (14, 28379704), (16, 24832241), (28, 14189852), (56, 7094926), (112, 3547463), (563, 705712), (1126, 352856), (2252, 176428), (3941, 100816), (4504, 88214), (6301, 63056), (7882, 50408), (9008, 44107), (12602, 31528), (15764, 25204)]