81508724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 159667200

約数和(自身を除く): 78158476

約数列:

[1, 2, 4, 11, 22, 44, 79, 131, 158, 179, 262, 316, 358, 524, 716, 869, 1441, 1738, 1969, 2882, 3476, 3938, 5764, 7876, 10349, 14141, 20698, 23449, 28282, 41396, 46898, 56564, 93796, 113839, 155551, 227678, 257939, 311102, 455356, 515878, 622204, 1031756, 1852471, 3704942, 7409884, 20377181, 40754362, 81508724]

約数ペア:

[(1, 81508724), (2, 40754362), (4, 20377181), (11, 7409884), (22, 3704942), (44, 1852471), (79, 1031756), (131, 622204), (158, 515878), (179, 455356), (262, 311102), (316, 257939), (358, 227678), (524, 155551), (716, 113839), (869, 93796), (1441, 56564), (1738, 46898), (1969, 41396), (2882, 28282), (3476, 23449), (3938, 20698), (5764, 14141), (7876, 10349)]