28217628

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{8807}}^1$

素因数の和:8906

約数の個数: 36

約数和(自身を含む): 72137520

約数和(自身を除く): 43919892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 8807, 17614, 26421, 35228, 52842, 79263, 105684, 158526, 317052, 783823, 1567646, 2351469, 3135292, 4702938, 7054407, 9405876, 14108814, 28217628]

約数ペア:

[(1, 28217628), (2, 14108814), (3, 9405876), (4, 7054407), (6, 4702938), (9, 3135292), (12, 2351469), (18, 1567646), (36, 783823), (89, 317052), (178, 158526), (267, 105684), (356, 79263), (534, 52842), (801, 35228), (1068, 26421), (1602, 17614), (3204, 8807)]