218274745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 288745632

約数和(自身を除く): 70470887

約数列:

[1, 5, 13, 65, 73, 157, 293, 365, 785, 949, 1465, 2041, 3809, 4745, 10205, 11461, 19045, 21389, 46001, 57305, 106945, 148993, 230005, 278057, 598013, 744965, 1390285, 2990065, 3358073, 16790365, 43654949, 218274745]

約数ペア:

[(1, 218274745), (5, 43654949), (13, 16790365), (65, 3358073), (73, 2990065), (157, 1390285), (293, 744965), (365, 598013), (785, 278057), (949, 230005), (1465, 148993), (2041, 106945), (3809, 57305), (4745, 46001), (10205, 21389), (11461, 19045)]