25156365

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 21292275

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 71, 79, 115, 195, 213, 237, 299, 345, 355, 395, 897, 923, 1027, 1065, 1185, 1495, 1633, 1817, 2769, 3081, 4485, 4615, 4899, 5135, 5451, 5609, 8165, 9085, 13845, 15405, 16827, 21229, 23621, 24495, 27255, 28045, 63687, 70863, 72917, 84135, 106145, 118105, 129007, 218751, 318435, 354315, 364585, 387021, 645035, 1093755, 1677091, 1935105, 5031273, 8385455, 25156365]

約数ペア:

[(1, 25156365), (3, 8385455), (5, 5031273), (13, 1935105), (15, 1677091), (23, 1093755), (39, 645035), (65, 387021), (69, 364585), (71, 354315), (79, 318435), (115, 218751), (195, 129007), (213, 118105), (237, 106145), (299, 84135), (345, 72917), (355, 70863), (395, 63687), (897, 28045), (923, 27255), (1027, 24495), (1065, 23621), (1185, 21229), (1495, 16827), (1633, 15405), (1817, 13845), (2769, 9085), (3081, 8165), (4485, 5609), (4615, 5451), (4899, 5135)]