2668208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 5565120

約数和(自身を除く): 2896912

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 131, 134, 152, 262, 268, 304, 524, 536, 1048, 1072, 1273, 2096, 2489, 2546, 4978, 5092, 8777, 9956, 10184, 17554, 19912, 20368, 35108, 39824, 70216, 140432, 166763, 333526, 667052, 1334104, 2668208]

約数ペア:

[(1, 2668208), (2, 1334104), (4, 667052), (8, 333526), (16, 166763), (19, 140432), (38, 70216), (67, 39824), (76, 35108), (131, 20368), (134, 19912), (152, 17554), (262, 10184), (268, 9956), (304, 8777), (524, 5092), (536, 4978), (1048, 2546), (1072, 2489), (1273, 2096)]