38039729

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 50400000

約数和(自身を除く): 12360271

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 343, 449, 637, 931, 1729, 3143, 4459, 5837, 6517, 8531, 12103, 22001, 40859, 59717, 84721, 110903, 154007, 286013, 418019, 776321, 2002091, 2926133, 5434247, 38039729]

約数ペア:

[(1, 38039729), (7, 5434247), (13, 2926133), (19, 2002091), (49, 776321), (91, 418019), (133, 286013), (247, 154007), (343, 110903), (449, 84721), (637, 59717), (931, 40859), (1729, 22001), (3143, 12103), (4459, 8531), (5837, 6517)]