28932145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 10880975

約数列:

[1, 5, 11, 31, 55, 71, 155, 239, 341, 355, 781, 1195, 1705, 2201, 2629, 3905, 7409, 11005, 13145, 16969, 24211, 37045, 81499, 84845, 121055, 186659, 407495, 526039, 933295, 2630195, 5786429, 28932145]

約数ペア:

[(1, 28932145), (5, 5786429), (11, 2630195), (31, 933295), (55, 526039), (71, 407495), (155, 186659), (239, 121055), (341, 84845), (355, 81499), (781, 37045), (1195, 24211), (1705, 16969), (2201, 13145), (2629, 11005), (3905, 7409)]