28724135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 41140224

約数和(自身を除く): 12416089

約数列:

[1, 5, 11, 17, 31, 55, 85, 155, 187, 341, 527, 935, 991, 1705, 2635, 4955, 5797, 10901, 16847, 28985, 30721, 54505, 84235, 153605, 185317, 337931, 522257, 926585, 1689655, 2611285, 5744827, 28724135]

約数ペア:

[(1, 28724135), (5, 5744827), (11, 2611285), (17, 1689655), (31, 926585), (55, 522257), (85, 337931), (155, 185317), (187, 153605), (341, 84235), (527, 54505), (935, 30721), (991, 28985), (1705, 16847), (2635, 10901), (4955, 5797)]