1991569446

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{44417}}^1$

素因数の和:44525

約数の個数: 48

約数和(自身を含む): 4490126784

約数和(自身を除く): 2498557338

約数列:

[1, 2, 3, 6, 9, 18, 47, 53, 94, 106, 141, 159, 282, 318, 423, 477, 846, 954, 2491, 4982, 7473, 14946, 22419, 44417, 44838, 88834, 133251, 266502, 399753, 799506, 2087599, 2354101, 4175198, 4708202, 6262797, 7062303, 12525594, 14124606, 18788391, 21186909, 37576782, 42373818, 110642747, 221285494, 331928241, 663856482, 995784723, 1991569446]

約数ペア:

[(1, 1991569446), (2, 995784723), (3, 663856482), (6, 331928241), (9, 221285494), (18, 110642747), (47, 42373818), (53, 37576782), (94, 21186909), (106, 18788391), (141, 14124606), (159, 12525594), (282, 7062303), (318, 6262797), (423, 4708202), (477, 4175198), (846, 2354101), (954, 2087599), (2491, 799506), (4982, 399753), (7473, 266502), (14946, 133251), (22419, 88834), (44417, 44838)]