71882986

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1861}}^1$

素因数の和:1990

約数の個数: 32

約数和(自身を含む): 128701440

約数和(自身を除く): 56818454

約数列:

[1, 2, 7, 14, 31, 62, 89, 178, 217, 434, 623, 1246, 1861, 2759, 3722, 5518, 13027, 19313, 26054, 38626, 57691, 115382, 165629, 331258, 403837, 807674, 1159403, 2318806, 5134499, 10268998, 35941493, 71882986]

約数ペア:

[(1, 71882986), (2, 35941493), (7, 10268998), (14, 5134499), (31, 2318806), (62, 1159403), (89, 807674), (178, 403837), (217, 331258), (434, 165629), (623, 115382), (1246, 57691), (1861, 38626), (2759, 26054), (3722, 19313), (5518, 13027)]