31281898

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 50086080

約数和(自身を除く): 18804182

約数列:

[1, 2, 43, 61, 67, 86, 89, 122, 134, 178, 2623, 2881, 3827, 4087, 5246, 5429, 5762, 5963, 7654, 8174, 10858, 11926, 175741, 233447, 256409, 351482, 363743, 466894, 512818, 727486, 15640949, 31281898]

約数ペア:

[(1, 31281898), (2, 15640949), (43, 727486), (61, 512818), (67, 466894), (86, 363743), (89, 351482), (122, 256409), (134, 233447), (178, 175741), (2623, 11926), (2881, 10858), (3827, 8174), (4087, 7654), (5246, 5963), (5429, 5762)]