1285048928

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{15559}}^1$

素因数の和:15687

約数の個数: 48

約数和(自身を含む): 2646756000

約数和(自身を除く): 1361707072

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 89, 116, 178, 232, 356, 464, 712, 928, 1424, 2581, 2848, 5162, 10324, 15559, 20648, 31118, 41296, 62236, 82592, 124472, 248944, 451211, 497888, 902422, 1384751, 1804844, 2769502, 3609688, 5539004, 7219376, 11078008, 14438752, 22156016, 40157779, 44312032, 80315558, 160631116, 321262232, 642524464, 1285048928]

約数ペア:

[(1, 1285048928), (2, 642524464), (4, 321262232), (8, 160631116), (16, 80315558), (29, 44312032), (32, 40157779), (58, 22156016), (89, 14438752), (116, 11078008), (178, 7219376), (232, 5539004), (356, 3609688), (464, 2769502), (712, 1804844), (928, 1384751), (1424, 902422), (2581, 497888), (2848, 451211), (5162, 248944), (10324, 124472), (15559, 82592), (20648, 62236), (31118, 41296)]