28320156

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{8839}}^1$

素因数の和:8938

約数の個数: 36

約数和(自身を含む): 72399600

約数和(自身を除く): 44079444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 8839, 17678, 26517, 35356, 53034, 79551, 106068, 159102, 318204, 786671, 1573342, 2360013, 3146684, 4720026, 7080039, 9440052, 14160078, 28320156]

約数ペア:

[(1, 28320156), (2, 14160078), (3, 9440052), (4, 7080039), (6, 4720026), (9, 3146684), (12, 2360013), (18, 1573342), (36, 786671), (89, 318204), (178, 159102), (267, 106068), (356, 79551), (534, 53034), (801, 35356), (1068, 26517), (1602, 17678), (3204, 8839)]