397996984

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{646099}}^1$

素因数の和:646123

約数の個数: 32

約数和(自身を含む): 930384000

約数和(自身を除く): 532387016

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 646099, 1292198, 2584396, 4522693, 5168792, 7107089, 9045386, 14214178, 18090772, 28428356, 36181544, 49749623, 56856712, 99499246, 198998492, 397996984]

約数ペア:

[(1, 397996984), (2, 198998492), (4, 99499246), (7, 56856712), (8, 49749623), (11, 36181544), (14, 28428356), (22, 18090772), (28, 14214178), (44, 9045386), (56, 7107089), (77, 5168792), (88, 4522693), (154, 2584396), (308, 1292198), (616, 646099)]