31531864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43313}}^1$

素因数の和:43339

約数の個数: 32

約数和(自身を含む): 72767520

約数和(自身を除く): 41235656

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 43313, 86626, 173252, 303191, 346504, 563069, 606382, 1126138, 1212764, 2252276, 2425528, 3941483, 4504552, 7882966, 15765932, 31531864]

約数ペア:

[(1, 31531864), (2, 15765932), (4, 7882966), (7, 4504552), (8, 3941483), (13, 2425528), (14, 2252276), (26, 1212764), (28, 1126138), (52, 606382), (56, 563069), (91, 346504), (104, 303191), (182, 173252), (364, 86626), (728, 43313)]