26805545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 9772759

約数列:

[1, 5, 13, 31, 53, 65, 155, 251, 265, 403, 689, 1255, 1643, 2015, 3263, 3445, 7781, 8215, 13303, 16315, 21359, 38905, 66515, 101153, 106795, 172939, 412393, 505765, 864695, 2061965, 5361109, 26805545]

約数ペア:

[(1, 26805545), (5, 5361109), (13, 2061965), (31, 864695), (53, 505765), (65, 412393), (155, 172939), (251, 106795), (265, 101153), (403, 66515), (689, 38905), (1255, 21359), (1643, 16315), (2015, 13303), (3263, 8215), (3445, 7781)]