221639686

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 351267840

約数和(自身を除く): 129628154

約数列:

[1, 2, 41, 47, 82, 94, 131, 262, 439, 878, 1927, 3854, 5371, 6157, 10742, 12314, 17999, 20633, 35998, 41266, 57509, 115018, 252437, 504874, 845953, 1691906, 2357869, 2702923, 4715738, 5405846, 110819843, 221639686]

約数ペア:

[(1, 221639686), (2, 110819843), (41, 5405846), (47, 4715738), (82, 2702923), (94, 2357869), (131, 1691906), (262, 845953), (439, 504874), (878, 252437), (1927, 115018), (3854, 57509), (5371, 41266), (6157, 35998), (10742, 20633), (12314, 17999)]