397447736

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89839}}^1$

素因数の和:89931

約数の個数: 32

約数和(自身を含む): 862464000

約数和(自身を除く): 465016264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 89839, 179678, 359356, 628873, 718712, 1257746, 2515492, 5030984, 7097281, 14194562, 28389124, 49680967, 56778248, 99361934, 198723868, 397447736]

約数ペア:

[(1, 397447736), (2, 198723868), (4, 99361934), (7, 56778248), (8, 49680967), (14, 28389124), (28, 14194562), (56, 7097281), (79, 5030984), (158, 2515492), (316, 1257746), (553, 718712), (632, 628873), (1106, 359356), (2212, 179678), (4424, 89839)]