212054843

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{607}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 286003200

約数和(自身を除く): 73948357

約数列:

[1, 7, 11, 13, 77, 91, 143, 349, 607, 1001, 2443, 3839, 4249, 4537, 6677, 7891, 26873, 31759, 46739, 49907, 55237, 86801, 211843, 349349, 607607, 1482901, 2330273, 2753959, 16311911, 19277713, 30293549, 212054843]

約数ペア:

[(1, 212054843), (7, 30293549), (11, 19277713), (13, 16311911), (77, 2753959), (91, 2330273), (143, 1482901), (349, 607607), (607, 349349), (1001, 211843), (2443, 86801), (3839, 55237), (4249, 49907), (4537, 46739), (6677, 31759), (7891, 26873)]