218059849

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 268646400

約数和(自身を除く): 50586551

約数列:

[1, 7, 23, 49, 131, 161, 211, 343, 917, 1127, 1477, 3013, 4853, 6419, 7889, 10339, 21091, 27641, 33971, 44933, 72373, 147637, 193487, 237797, 635743, 1033459, 1354409, 1664579, 4450201, 9480863, 31151407, 218059849]

約数ペア:

[(1, 218059849), (7, 31151407), (23, 9480863), (49, 4450201), (131, 1664579), (161, 1354409), (211, 1033459), (343, 635743), (917, 237797), (1127, 193487), (1477, 147637), (3013, 72373), (4853, 44933), (6419, 33971), (7889, 27641), (10339, 21091)]