28490717132

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{967}}^1\times {\mathrm{2789}}^1$

素因数の和:3918

約数の個数: 48

約数和(自身を含む): 52934112000

約数和(自身を除く): 24443394868

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 967, 1934, 2641, 2789, 3868, 5282, 5578, 10564, 11156, 18373, 36746, 52991, 73492, 105982, 134413, 211964, 268826, 387671, 537652, 775342, 1550684, 2553847, 2696963, 5107694, 5393926, 7365749, 10215388, 10787852, 14731498, 29462996, 51242297, 102484594, 204969188, 374877857, 749755714, 1499511428, 7122679283, 14245358566, 28490717132]

約数ペア:

[(1, 28490717132), (2, 14245358566), (4, 7122679283), (19, 1499511428), (38, 749755714), (76, 374877857), (139, 204969188), (278, 102484594), (556, 51242297), (967, 29462996), (1934, 14731498), (2641, 10787852), (2789, 10215388), (3868, 7365749), (5282, 5393926), (5578, 5107694), (10564, 2696963), (11156, 2553847), (18373, 1550684), (36746, 775342), (52991, 537652), (73492, 387671), (105982, 268826), (134413, 211964)]