256393436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3001}}^1$

素因数の和:3102

約数の個数: 48

約数和(自身を含む): 508370688

約数和(自身を除く): 251977252

約数列:

[1, 2, 4, 13, 26, 31, 52, 53, 62, 106, 124, 212, 403, 689, 806, 1378, 1612, 1643, 2756, 3001, 3286, 6002, 6572, 12004, 21359, 39013, 42718, 78026, 85436, 93031, 156052, 159053, 186062, 318106, 372124, 636212, 1209403, 2067689, 2418806, 4135378, 4837612, 4930643, 8270756, 9861286, 19722572, 64098359, 128196718, 256393436]

約数ペア:

[(1, 256393436), (2, 128196718), (4, 64098359), (13, 19722572), (26, 9861286), (31, 8270756), (52, 4930643), (53, 4837612), (62, 4135378), (106, 2418806), (124, 2067689), (212, 1209403), (403, 636212), (689, 372124), (806, 318106), (1378, 186062), (1612, 159053), (1643, 156052), (2756, 93031), (3001, 85436), (3286, 78026), (6002, 42718), (6572, 39013), (12004, 21359)]