40857817

素因数分解:

$7^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 59294592

約数和(自身を除く): 18436775

約数列:

[1, 7, 11, 13, 17, 49, 77, 91, 119, 143, 187, 221, 343, 539, 637, 833, 1001, 1309, 1547, 2401, 2431, 3773, 4459, 5831, 7007, 9163, 10829, 16807, 17017, 26411, 31213, 40817, 49049, 64141, 75803, 119119, 184877, 218491, 285719, 343343, 448987, 530621, 833833, 2403401, 3142909, 3714347, 5836831, 40857817]

約数ペア:

[(1, 40857817), (7, 5836831), (11, 3714347), (13, 3142909), (17, 2403401), (49, 833833), (77, 530621), (91, 448987), (119, 343343), (143, 285719), (187, 218491), (221, 184877), (343, 119119), (539, 75803), (637, 64141), (833, 49049), (1001, 40817), (1309, 31213), (1547, 26411), (2401, 17017), (2431, 16807), (3773, 10829), (4459, 9163), (5831, 7007)]