22721585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 7276495

約数列:

[1, 5, 23, 41, 61, 79, 115, 205, 305, 395, 943, 1403, 1817, 2501, 3239, 4715, 4819, 7015, 9085, 12505, 16195, 24095, 57523, 74497, 110837, 197579, 287615, 372485, 554185, 987895, 4544317, 22721585]

約数ペア:

[(1, 22721585), (5, 4544317), (23, 987895), (41, 554185), (61, 372485), (79, 287615), (115, 197579), (205, 110837), (305, 74497), (395, 57523), (943, 24095), (1403, 16195), (1817, 12505), (2501, 9085), (3239, 7015), (4715, 4819)]