28030990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{839}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 54613440

約数和(自身を除く): 26582450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 839, 1285, 1678, 2570, 3341, 4195, 6682, 8390, 10907, 16705, 21814, 33410, 54535, 109070, 215623, 431246, 1078115, 2156230, 2803099, 5606198, 14015495, 28030990]

約数ペア:

[(1, 28030990), (2, 14015495), (5, 5606198), (10, 2803099), (13, 2156230), (26, 1078115), (65, 431246), (130, 215623), (257, 109070), (514, 54535), (839, 33410), (1285, 21814), (1678, 16705), (2570, 10907), (3341, 8390), (4195, 6682)]