28664545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 42964992

約数和(自身を除く): 14300447

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 365, 455, 511, 863, 949, 2555, 4315, 4745, 6041, 6643, 11219, 30205, 33215, 56095, 62999, 78533, 314995, 392665, 440993, 818987, 2204965, 4094935, 5732909, 28664545]

約数ペア:

[(1, 28664545), (5, 5732909), (7, 4094935), (13, 2204965), (35, 818987), (65, 440993), (73, 392665), (91, 314995), (365, 78533), (455, 62999), (511, 56095), (863, 33215), (949, 30205), (2555, 11219), (4315, 6643), (4745, 6041)]