28848755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 39137280

約数和(自身を除く): 10288525

約数列:

[1, 5, 13, 31, 65, 103, 139, 155, 403, 515, 695, 1339, 1807, 2015, 3193, 4309, 6695, 9035, 14317, 15965, 21545, 41509, 56017, 71585, 186121, 207545, 280085, 443827, 930605, 2219135, 5769751, 28848755]

約数ペア:

[(1, 28848755), (5, 5769751), (13, 2219135), (31, 930605), (65, 443827), (103, 280085), (139, 207545), (155, 186121), (403, 71585), (515, 56017), (695, 41509), (1339, 21545), (1807, 15965), (2015, 14317), (3193, 9035), (4309, 6695)]