81941938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2767}}^1$

素因数の和:2866

約数の個数: 32

約数和(自身を含む): 142297344

約数和(自身を除く): 60355406

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 221, 442, 871, 1139, 1742, 2278, 2767, 5534, 14807, 29614, 35971, 47039, 71942, 94078, 185389, 370778, 611507, 1223014, 2410057, 3151613, 4820114, 6303226, 40970969, 81941938]

約数ペア:

[(1, 81941938), (2, 40970969), (13, 6303226), (17, 4820114), (26, 3151613), (34, 2410057), (67, 1223014), (134, 611507), (221, 370778), (442, 185389), (871, 94078), (1139, 71942), (1742, 47039), (2278, 35971), (2767, 29614), (5534, 14807)]