28624986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 67321800

約数和(自身を除く): 38696814

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 149, 234, 298, 447, 821, 894, 1341, 1642, 1937, 2463, 2682, 3874, 4926, 5811, 7389, 10673, 11622, 14778, 17433, 21346, 32019, 34866, 64038, 96057, 122329, 192114, 244658, 366987, 733974, 1100961, 1590277, 2201922, 3180554, 4770831, 9541662, 14312493, 28624986]

約数ペア:

[(1, 28624986), (2, 14312493), (3, 9541662), (6, 4770831), (9, 3180554), (13, 2201922), (18, 1590277), (26, 1100961), (39, 733974), (78, 366987), (117, 244658), (149, 192114), (234, 122329), (298, 96057), (447, 64038), (821, 34866), (894, 32019), (1341, 21346), (1642, 17433), (1937, 14778), (2463, 11622), (2682, 10673), (3874, 7389), (4926, 5811)]