47987764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{15361}}^1$

素因数の和:15447

約数の個数: 24

約数和(自身を含む): 92909376

約数和(自身を除く): 44921612

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 15361, 30722, 61444, 168971, 337942, 675884, 1090631, 2181262, 4362524, 11996941, 23993882, 47987764]

約数ペア:

[(1, 47987764), (2, 23993882), (4, 11996941), (11, 4362524), (22, 2181262), (44, 1090631), (71, 675884), (142, 337942), (284, 168971), (781, 61444), (1562, 30722), (3124, 15361)]