212345273

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5563}}^1$

素因数の和:5637

約数の個数: 24

約数和(自身を含む): 266404320

約数和(自身を除く): 54059047

約数列:

[1, 7, 19, 41, 49, 133, 287, 779, 931, 2009, 5453, 5563, 38171, 38941, 105697, 228083, 272587, 739879, 1596581, 4333577, 5179153, 11176067, 30335039, 212345273]

約数ペア:

[(1, 212345273), (7, 30335039), (19, 11176067), (41, 5179153), (49, 4333577), (133, 1596581), (287, 739879), (779, 272587), (931, 228083), (2009, 105697), (5453, 38941), (5563, 38171)]