66261968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 143056320

約数和(自身を除く): 76794352

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 43, 74, 76, 86, 137, 148, 152, 172, 274, 296, 304, 344, 548, 592, 688, 703, 817, 1096, 1406, 1591, 1634, 2192, 2603, 2812, 3182, 3268, 5069, 5206, 5624, 5891, 6364, 6536, 10138, 10412, 11248, 11782, 12728, 13072, 20276, 20824, 23564, 25456, 30229, 40552, 41648, 47128, 60458, 81104, 94256, 96311, 111929, 120916, 192622, 217967, 223858, 241832, 385244, 435934, 447716, 483664, 770488, 871868, 895432, 1540976, 1743736, 1790864, 3487472, 4141373, 8282746, 16565492, 33130984, 66261968]

約数ペア:

[(1, 66261968), (2, 33130984), (4, 16565492), (8, 8282746), (16, 4141373), (19, 3487472), (37, 1790864), (38, 1743736), (43, 1540976), (74, 895432), (76, 871868), (86, 770488), (137, 483664), (148, 447716), (152, 435934), (172, 385244), (274, 241832), (296, 223858), (304, 217967), (344, 192622), (548, 120916), (592, 111929), (688, 96311), (703, 94256), (817, 81104), (1096, 60458), (1406, 47128), (1591, 41648), (1634, 40552), (2192, 30229), (2603, 25456), (2812, 23564), (3182, 20824), (3268, 20276), (5069, 13072), (5206, 12728), (5624, 11782), (5891, 11248), (6364, 10412), (6536, 10138)]