28542542

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 50181120

約数和(自身を除く): 21638578

約数列:

[1, 2, 7, 14, 79, 131, 158, 197, 262, 394, 553, 917, 1106, 1379, 1834, 2758, 10349, 15563, 20698, 25807, 31126, 51614, 72443, 108941, 144886, 180649, 217882, 361298, 2038753, 4077506, 14271271, 28542542]

約数ペア:

[(1, 28542542), (2, 14271271), (7, 4077506), (14, 2038753), (79, 361298), (131, 217882), (158, 180649), (197, 144886), (262, 108941), (394, 72443), (553, 51614), (917, 31126), (1106, 25807), (1379, 20698), (1834, 15563), (2758, 10349)]