39981838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{5009}}^1$

素因数の和:5331

約数の個数: 16

約数和(自身を含む): 64809360

約数和(自身を除く): 24827522

約数列:

[1, 2, 13, 26, 307, 614, 3991, 5009, 7982, 10018, 65117, 130234, 1537763, 3075526, 19990919, 39981838]

約数ペア:

[(1, 39981838), (2, 19990919), (13, 3075526), (26, 1537763), (307, 130234), (614, 65117), (3991, 10018), (5009, 7982)]