1219981918

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{236339}}^1$

素因数の和:236459

約数の個数: 16

約数和(自身を含む): 1914354000

約数和(自身を除く): 694372082

約数列:

[1, 2, 29, 58, 89, 178, 2581, 5162, 236339, 472678, 6853831, 13707662, 21034171, 42068342, 609990959, 1219981918]

約数ペア:

[(1, 1219981918), (2, 609990959), (29, 42068342), (58, 21034171), (89, 13707662), (178, 6853831), (2581, 472678), (5162, 236339)]