131556488

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 288921600

約数和(自身を除く): 157365112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 131, 158, 227, 262, 316, 454, 524, 553, 632, 908, 917, 1048, 1106, 1589, 1816, 1834, 2212, 3178, 3668, 4424, 6356, 7336, 10349, 12712, 17933, 20698, 29737, 35866, 41396, 59474, 71732, 72443, 82792, 118948, 125531, 143464, 144886, 208159, 237896, 251062, 289772, 416318, 502124, 579544, 832636, 1004248, 1665272, 2349223, 4698446, 9396892, 16444561, 18793784, 32889122, 65778244, 131556488]

約数ペア:

[(1, 131556488), (2, 65778244), (4, 32889122), (7, 18793784), (8, 16444561), (14, 9396892), (28, 4698446), (56, 2349223), (79, 1665272), (131, 1004248), (158, 832636), (227, 579544), (262, 502124), (316, 416318), (454, 289772), (524, 251062), (553, 237896), (632, 208159), (908, 144886), (917, 143464), (1048, 125531), (1106, 118948), (1589, 82792), (1816, 72443), (1834, 71732), (2212, 59474), (3178, 41396), (3668, 35866), (4424, 29737), (6356, 20698), (7336, 17933), (10349, 12712)]