28624722

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{1987}}^1$

素因数の和:2020

約数の個数: 40

約数和(自身を含む): 66820656

約数和(自身を除く): 38195934

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1987, 2058, 2401, 3974, 4802, 5961, 7203, 11922, 13909, 14406, 27818, 41727, 83454, 97363, 194726, 292089, 584178, 681541, 1363082, 2044623, 4089246, 4770787, 9541574, 14312361, 28624722]

約数ペア:

[(1, 28624722), (2, 14312361), (3, 9541574), (6, 4770787), (7, 4089246), (14, 2044623), (21, 1363082), (42, 681541), (49, 584178), (98, 292089), (147, 194726), (294, 97363), (343, 83454), (686, 41727), (1029, 27818), (1987, 14406), (2058, 13909), (2401, 11922), (3974, 7203), (4802, 5961)]