28916170

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 53343360

約数和(自身を除く): 24427190

約数列:

[1, 2, 5, 10, 71, 139, 142, 278, 293, 355, 586, 695, 710, 1390, 1465, 2930, 9869, 19738, 20803, 40727, 41606, 49345, 81454, 98690, 104015, 203635, 208030, 407270, 2891617, 5783234, 14458085, 28916170]

約数ペア:

[(1, 28916170), (2, 14458085), (5, 5783234), (10, 2891617), (71, 407270), (139, 208030), (142, 203635), (278, 104015), (293, 98690), (355, 81454), (586, 49345), (695, 41606), (710, 40727), (1390, 20803), (1465, 19738), (2930, 9869)]