28171364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{293}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 54541116

約数和(自身を除く): 26369752

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 293, 559, 586, 1118, 1172, 1849, 2236, 3698, 3809, 7396, 7618, 12599, 15236, 24037, 25198, 48074, 50396, 96148, 163787, 327574, 541757, 655148, 1083514, 2167028, 7042841, 14085682, 28171364]

約数ペア:

[(1, 28171364), (2, 14085682), (4, 7042841), (13, 2167028), (26, 1083514), (43, 655148), (52, 541757), (86, 327574), (172, 163787), (293, 96148), (559, 50396), (586, 48074), (1118, 25198), (1172, 24037), (1849, 15236), (2236, 12599), (3698, 7618), (3809, 7396)]