128822928

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{206447}}^1$

素因数の和:206471

約数の個数: 40

約数和(自身を含む): 358393728

約数和(自身を除く): 229570800

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 206447, 412894, 619341, 825788, 1238682, 1651576, 2477364, 2683811, 3303152, 4954728, 5367622, 8051433, 9909456, 10735244, 16102866, 21470488, 32205732, 42940976, 64411464, 128822928]

約数ペア:

[(1, 128822928), (2, 64411464), (3, 42940976), (4, 32205732), (6, 21470488), (8, 16102866), (12, 10735244), (13, 9909456), (16, 8051433), (24, 5367622), (26, 4954728), (39, 3303152), (48, 2683811), (52, 2477364), (78, 1651576), (104, 1238682), (156, 825788), (208, 619341), (312, 412894), (624, 206447)]