313106521

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 425779200

約数和(自身を除く): 112672679

約数列:

[1, 7, 13, 23, 43, 49, 71, 91, 161, 299, 301, 343, 497, 559, 637, 923, 989, 1127, 1633, 2093, 2107, 3053, 3479, 3913, 4459, 6461, 6923, 7889, 11431, 12857, 14651, 14749, 21229, 21371, 24353, 27391, 39689, 45227, 48461, 70219, 80017, 89999, 102557, 148603, 149597, 191737, 277823, 316589, 339227, 491533, 560119, 629993, 912847, 1040221, 1047179, 1944761, 3440731, 4409951, 6389929, 7281547, 13613327, 24085117, 44729503, 313106521]

約数ペア:

[(1, 313106521), (7, 44729503), (13, 24085117), (23, 13613327), (43, 7281547), (49, 6389929), (71, 4409951), (91, 3440731), (161, 1944761), (299, 1047179), (301, 1040221), (343, 912847), (497, 629993), (559, 560119), (637, 491533), (923, 339227), (989, 316589), (1127, 277823), (1633, 191737), (2093, 149597), (2107, 148603), (3053, 102557), (3479, 89999), (3913, 80017), (4459, 70219), (6461, 48461), (6923, 45227), (7889, 39689), (11431, 27391), (12857, 24353), (14651, 21371), (14749, 21229)]