86491268

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:804

約数の個数: 36

約数和(自身を含む): 161780220

約数和(自身を除く): 75288952

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 361, 673, 722, 1346, 1444, 1691, 2692, 3382, 6764, 12787, 25574, 32129, 51148, 59897, 64258, 119794, 128516, 239588, 242953, 485906, 971812, 1138043, 2276086, 4552172, 21622817, 43245634, 86491268]

約数ペア:

[(1, 86491268), (2, 43245634), (4, 21622817), (19, 4552172), (38, 2276086), (76, 1138043), (89, 971812), (178, 485906), (356, 242953), (361, 239588), (673, 128516), (722, 119794), (1346, 64258), (1444, 59897), (1691, 51148), (2692, 32129), (3382, 25574), (6764, 12787)]