81954266

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 130690560

約数和(自身を除く): 48736294

約数列:

[1, 2, 31, 62, 67, 109, 134, 181, 218, 362, 2077, 3379, 4154, 5611, 6758, 7303, 11222, 12127, 14606, 19729, 24254, 39458, 226393, 375937, 452786, 611599, 751874, 1223198, 1321843, 2643686, 40977133, 81954266]

約数ペア:

[(1, 81954266), (2, 40977133), (31, 2643686), (62, 1321843), (67, 1223198), (109, 751874), (134, 611599), (181, 452786), (218, 375937), (362, 226393), (2077, 39458), (3379, 24254), (4154, 19729), (5611, 14606), (6758, 12127), (7303, 11222)]