221015864

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{6803}}^1$

素因数の和:6971

約数の個数: 32

約数和(自身を含む): 431101440

約数和(自身を除く): 210085576

約数列:

[1, 2, 4, 8, 31, 62, 124, 131, 248, 262, 524, 1048, 4061, 6803, 8122, 13606, 16244, 27212, 32488, 54424, 210893, 421786, 843572, 891193, 1687144, 1782386, 3564772, 7129544, 27626983, 55253966, 110507932, 221015864]

約数ペア:

[(1, 221015864), (2, 110507932), (4, 55253966), (8, 27626983), (31, 7129544), (62, 3564772), (124, 1782386), (131, 1687144), (248, 891193), (262, 843572), (524, 421786), (1048, 210893), (4061, 54424), (6803, 32488), (8122, 27212), (13606, 16244)]