217636445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 292723200

約数和(自身を除く): 75086755

約数列:

[1, 5, 13, 29, 65, 145, 263, 377, 439, 1315, 1885, 2195, 3419, 5707, 7627, 12731, 17095, 28535, 38135, 63655, 99151, 115457, 165503, 495755, 577285, 827515, 1500941, 3348253, 7504705, 16741265, 43527289, 217636445]

約数ペア:

[(1, 217636445), (5, 43527289), (13, 16741265), (29, 7504705), (65, 3348253), (145, 1500941), (263, 827515), (377, 577285), (439, 495755), (1315, 165503), (1885, 115457), (2195, 99151), (3419, 63655), (5707, 38135), (7627, 28535), (12731, 17095)]