28420236

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{60727}}^1$

素因数の和:60750

約数の個数: 36

約数和(自身を含む): 77367472

約数和(自身を除く): 48947236

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 60727, 121454, 182181, 242908, 364362, 546543, 728724, 789451, 1093086, 1578902, 2186172, 2368353, 3157804, 4736706, 7105059, 9473412, 14210118, 28420236]

約数ペア:

[(1, 28420236), (2, 14210118), (3, 9473412), (4, 7105059), (6, 4736706), (9, 3157804), (12, 2368353), (13, 2186172), (18, 1578902), (26, 1093086), (36, 789451), (39, 728724), (52, 546543), (78, 364362), (117, 242908), (156, 182181), (234, 121454), (468, 60727)]