81722144

素因数分解:

$2^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2663}}^1$

素因数の和:2817

約数の個数: 48

約数和(自身を含む): 185286528

約数和(自身を除く): 103564384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 137, 224, 274, 548, 959, 1096, 1918, 2192, 2663, 3836, 4384, 5326, 7672, 10652, 15344, 18641, 21304, 30688, 37282, 42608, 74564, 85216, 149128, 298256, 364831, 596512, 729662, 1459324, 2553817, 2918648, 5107634, 5837296, 10215268, 11674592, 20430536, 40861072, 81722144]

約数ペア:

[(1, 81722144), (2, 40861072), (4, 20430536), (7, 11674592), (8, 10215268), (14, 5837296), (16, 5107634), (28, 2918648), (32, 2553817), (56, 1459324), (112, 729662), (137, 596512), (224, 364831), (274, 298256), (548, 149128), (959, 85216), (1096, 74564), (1918, 42608), (2192, 37282), (2663, 30688), (3836, 21304), (4384, 18641), (5326, 15344), (7672, 10652)]