25657454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 16527346

約数列:

[1, 2, 17, 34, 61, 89, 122, 139, 178, 278, 1037, 1513, 2074, 2363, 3026, 4726, 5429, 8479, 10858, 12371, 16958, 24742, 92293, 144143, 184586, 210307, 288286, 420614, 754631, 1509262, 12828727, 25657454]

約数ペア:

[(1, 25657454), (2, 12828727), (17, 1509262), (34, 754631), (61, 420614), (89, 288286), (122, 210307), (139, 184586), (178, 144143), (278, 92293), (1037, 24742), (1513, 16958), (2074, 12371), (2363, 10858), (3026, 8479), (4726, 5429)]