31278236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1109}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 59860080

約数和(自身を除く): 28581844

約数列:

[1, 2, 4, 11, 22, 44, 641, 1109, 1282, 2218, 2564, 4436, 7051, 12199, 14102, 24398, 28204, 48796, 710869, 1421738, 2843476, 7819559, 15639118, 31278236]

約数ペア:

[(1, 31278236), (2, 15639118), (4, 7819559), (11, 2843476), (22, 1421738), (44, 710869), (641, 48796), (1109, 28204), (1282, 24398), (2218, 14102), (2564, 12199), (4436, 7051)]