80778204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{172603}}^1$

素因数の和:172626

約数の個数: 36

約数和(自身を含む): 219897496

約数和(自身を除く): 139119292

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 172603, 345206, 517809, 690412, 1035618, 1553427, 2071236, 2243839, 3106854, 4487678, 6213708, 6731517, 8975356, 13463034, 20194551, 26926068, 40389102, 80778204]

約数ペア:

[(1, 80778204), (2, 40389102), (3, 26926068), (4, 20194551), (6, 13463034), (9, 8975356), (12, 6731517), (13, 6213708), (18, 4487678), (26, 3106854), (36, 2243839), (39, 2071236), (52, 1553427), (78, 1035618), (117, 690412), (156, 517809), (234, 345206), (468, 172603)]