2788891285

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{6143}}^1$

素因数の和:6309

約数の個数: 32

約数和(自身を含む): 3609722880

約数和(自身を除く): 820831595

約数列:

[1, 5, 29, 31, 101, 145, 155, 505, 899, 2929, 3131, 4495, 6143, 14645, 15655, 30715, 90799, 178147, 190433, 453995, 620443, 890735, 952165, 3102215, 5522557, 17992847, 19233733, 27612785, 89964235, 96168665, 557778257, 2788891285]

約数ペア:

[(1, 2788891285), (5, 557778257), (29, 96168665), (31, 89964235), (101, 27612785), (145, 19233733), (155, 17992847), (505, 5522557), (899, 3102215), (2929, 952165), (3131, 890735), (4495, 620443), (6143, 453995), (14645, 190433), (15655, 178147), (30715, 90799)]