28521724

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13229}}^1$

素因数の和:13258

約数の個数: 36

約数和(自身を含む): 63345240

約数和(自身を除く): 34823516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 13229, 26458, 52916, 92603, 145519, 185206, 291038, 370412, 582076, 648221, 1018633, 1296442, 2037266, 2592884, 4074532, 7130431, 14260862, 28521724]

約数ペア:

[(1, 28521724), (2, 14260862), (4, 7130431), (7, 4074532), (11, 2592884), (14, 2037266), (22, 1296442), (28, 1018633), (44, 648221), (49, 582076), (77, 370412), (98, 291038), (154, 185206), (196, 145519), (308, 92603), (539, 52916), (1078, 26458), (2156, 13229)]