231775778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2099}}^1$

素因数の和:2282

約数の個数: 32

約数和(自身を含む): 389491200

約数和(自身を除く): 157715422

約数列:

[1, 2, 13, 26, 31, 62, 137, 274, 403, 806, 1781, 2099, 3562, 4198, 4247, 8494, 27287, 54574, 55211, 65069, 110422, 130138, 287563, 575126, 845897, 1691794, 3738319, 7476638, 8914453, 17828906, 115887889, 231775778]

約数ペア:

[(1, 231775778), (2, 115887889), (13, 17828906), (26, 8914453), (31, 7476638), (62, 3738319), (137, 1691794), (274, 845897), (403, 575126), (806, 287563), (1781, 130138), (2099, 110422), (3562, 65069), (4198, 55211), (4247, 54574), (8494, 27287)]