28711638

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{3881}}^1$

素因数の和:4029

約数の個数: 32

約数和(自身を含む): 64285920

約数和(自身を除く): 35574282

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 3699, 3881, 7398, 7762, 11643, 23286, 34929, 69858, 104787, 209574, 531697, 1063394, 1595091, 3190182, 4785273, 9570546, 14355819, 28711638]

約数ペア:

[(1, 28711638), (2, 14355819), (3, 9570546), (6, 4785273), (9, 3190182), (18, 1595091), (27, 1063394), (54, 531697), (137, 209574), (274, 104787), (411, 69858), (822, 34929), (1233, 23286), (2466, 11643), (3699, 7762), (3881, 7398)]