81234424

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 166924800

約数和(自身を除く): 85690376

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 83, 94, 137, 152, 166, 188, 274, 332, 376, 548, 664, 893, 1096, 1577, 1786, 2603, 3154, 3572, 3901, 5206, 6308, 6439, 7144, 7802, 10412, 11371, 12616, 12878, 15604, 20824, 22742, 25756, 31208, 45484, 51512, 74119, 90968, 122341, 148238, 216049, 244682, 296476, 432098, 489364, 534437, 592952, 864196, 978728, 1068874, 1728392, 2137748, 4275496, 10154303, 20308606, 40617212, 81234424]

約数ペア:

[(1, 81234424), (2, 40617212), (4, 20308606), (8, 10154303), (19, 4275496), (38, 2137748), (47, 1728392), (76, 1068874), (83, 978728), (94, 864196), (137, 592952), (152, 534437), (166, 489364), (188, 432098), (274, 296476), (332, 244682), (376, 216049), (548, 148238), (664, 122341), (893, 90968), (1096, 74119), (1577, 51512), (1786, 45484), (2603, 31208), (3154, 25756), (3572, 22742), (3901, 20824), (5206, 15604), (6308, 12878), (6439, 12616), (7144, 11371), (7802, 10412)]