643405656

素因数分解:

$2^3\times 3^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{1447}}^1$

素因数の和:1744

約数の個数: 64

約数和(自身を含む): 1634734080

約数和(自身を除く): 991328424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 97, 191, 194, 291, 382, 388, 573, 582, 764, 776, 1146, 1164, 1447, 1528, 2292, 2328, 2894, 4341, 4584, 5788, 8682, 11576, 17364, 18527, 34728, 37054, 55581, 74108, 111162, 140359, 148216, 222324, 276377, 280718, 421077, 444648, 552754, 561436, 829131, 842154, 1105508, 1122872, 1658262, 1684308, 2211016, 3316524, 3368616, 6633048, 26808569, 53617138, 80425707, 107234276, 160851414, 214468552, 321702828, 643405656]

約数ペア:

[(1, 643405656), (2, 321702828), (3, 214468552), (4, 160851414), (6, 107234276), (8, 80425707), (12, 53617138), (24, 26808569), (97, 6633048), (191, 3368616), (194, 3316524), (291, 2211016), (382, 1684308), (388, 1658262), (573, 1122872), (582, 1105508), (764, 842154), (776, 829131), (1146, 561436), (1164, 552754), (1447, 444648), (1528, 421077), (2292, 280718), (2328, 276377), (2894, 222324), (4341, 148216), (4584, 140359), (5788, 111162), (8682, 74108), (11576, 55581), (17364, 37054), (18527, 34728)]