56291356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 112154112

約数和(自身を除く): 55862756

約数列:

[1, 2, 4, 11, 22, 37, 44, 71, 74, 142, 148, 284, 407, 487, 781, 814, 974, 1562, 1628, 1948, 2627, 3124, 5254, 5357, 10508, 10714, 18019, 21428, 28897, 34577, 36038, 57794, 69154, 72076, 115588, 138308, 198209, 380347, 396418, 760694, 792836, 1279349, 1521388, 2558698, 5117396, 14072839, 28145678, 56291356]

約数ペア:

[(1, 56291356), (2, 28145678), (4, 14072839), (11, 5117396), (22, 2558698), (37, 1521388), (44, 1279349), (71, 792836), (74, 760694), (142, 396418), (148, 380347), (284, 198209), (407, 138308), (487, 115588), (781, 72076), (814, 69154), (974, 57794), (1562, 36038), (1628, 34577), (1948, 28897), (2627, 21428), (3124, 18019), (5254, 10714), (5357, 10508)]