81726448

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 174988800

約数和(自身を除く): 93262352

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 79, 82, 83, 152, 158, 164, 166, 304, 316, 328, 332, 632, 656, 664, 779, 1264, 1328, 1501, 1558, 1577, 3002, 3116, 3154, 3239, 3403, 6004, 6232, 6308, 6478, 6557, 6806, 12008, 12464, 12616, 12956, 13114, 13612, 24016, 25232, 25912, 26228, 27224, 51824, 52456, 54448, 61541, 64657, 104912, 123082, 124583, 129314, 246164, 249166, 258628, 268837, 492328, 498332, 517256, 537674, 984656, 996664, 1034512, 1075348, 1993328, 2150696, 4301392, 5107903, 10215806, 20431612, 40863224, 81726448]

約数ペア:

[(1, 81726448), (2, 40863224), (4, 20431612), (8, 10215806), (16, 5107903), (19, 4301392), (38, 2150696), (41, 1993328), (76, 1075348), (79, 1034512), (82, 996664), (83, 984656), (152, 537674), (158, 517256), (164, 498332), (166, 492328), (304, 268837), (316, 258628), (328, 249166), (332, 246164), (632, 129314), (656, 124583), (664, 123082), (779, 104912), (1264, 64657), (1328, 61541), (1501, 54448), (1558, 52456), (1577, 51824), (3002, 27224), (3116, 26228), (3154, 25912), (3239, 25232), (3403, 24016), (6004, 13612), (6232, 13114), (6308, 12956), (6478, 12616), (6557, 12464), (6806, 12008)]