205385416

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{6521}}^1$

素因数の和:6685

約数の個数: 32

約数和(自身を含む): 400711680

約数和(自身を除く): 195326264

約数列:

[1, 2, 4, 8, 31, 62, 124, 127, 248, 254, 508, 1016, 3937, 6521, 7874, 13042, 15748, 26084, 31496, 52168, 202151, 404302, 808604, 828167, 1617208, 1656334, 3312668, 6625336, 25673177, 51346354, 102692708, 205385416]

約数ペア:

[(1, 205385416), (2, 102692708), (4, 51346354), (8, 25673177), (31, 6625336), (62, 3312668), (124, 1656334), (127, 1617208), (248, 828167), (254, 808604), (508, 404302), (1016, 202151), (3937, 52168), (6521, 31496), (7874, 26084), (13042, 15748)]