64693778984

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{1061}}^1$

素因数の和:1639

約数の個数: 96

約数和(自身を含む): 131388855840

約数和(自身を除く): 66695076856

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 361, 491, 722, 817, 982, 1061, 1444, 1634, 1964, 2122, 2888, 3268, 3928, 4244, 6536, 8488, 9329, 15523, 18658, 20159, 21113, 31046, 37316, 40318, 42226, 45623, 62092, 74632, 80636, 84452, 91246, 124184, 161272, 168904, 177251, 182492, 354502, 364984, 383021, 401147, 520951, 709004, 766042, 802294, 866837, 1041902, 1418008, 1532084, 1604588, 1733674, 2083804, 3064168, 3209176, 3467348, 4167608, 6934696, 7621793, 9898069, 15243586, 16469903, 19796138, 22400893, 30487172, 32939806, 39592276, 44801786, 60974344, 65879612, 79184552, 89603572, 131759224, 179207144, 188063311, 376126622, 425616967, 752253244, 851233934, 1504506488, 1702467868, 3404935736, 8086722373, 16173444746, 32346889492, 64693778984]

約数ペア:

[(1, 64693778984), (2, 32346889492), (4, 16173444746), (8, 8086722373), (19, 3404935736), (38, 1702467868), (43, 1504506488), (76, 851233934), (86, 752253244), (152, 425616967), (172, 376126622), (344, 188063311), (361, 179207144), (491, 131759224), (722, 89603572), (817, 79184552), (982, 65879612), (1061, 60974344), (1444, 44801786), (1634, 39592276), (1964, 32939806), (2122, 30487172), (2888, 22400893), (3268, 19796138), (3928, 16469903), (4244, 15243586), (6536, 9898069), (8488, 7621793), (9329, 6934696), (15523, 4167608), (18658, 3467348), (20159, 3209176), (21113, 3064168), (31046, 2083804), (37316, 1733674), (40318, 1604588), (42226, 1532084), (45623, 1418008), (62092, 1041902), (74632, 866837), (80636, 802294), (84452, 766042), (91246, 709004), (124184, 520951), (161272, 401147), (168904, 383021), (177251, 364984), (182492, 354502)]