13726370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 29117880

約数和(自身を除く): 15391510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 257, 490, 514, 545, 763, 1090, 1285, 1526, 1799, 2570, 3598, 3815, 5341, 7630, 8995, 10682, 12593, 17990, 25186, 26705, 28013, 53410, 56026, 62965, 125930, 140065, 196091, 280130, 392182, 980455, 1372637, 1960910, 2745274, 6863185, 13726370]

約数ペア:

[(1, 13726370), (2, 6863185), (5, 2745274), (7, 1960910), (10, 1372637), (14, 980455), (35, 392182), (49, 280130), (70, 196091), (98, 140065), (109, 125930), (218, 62965), (245, 56026), (257, 53410), (490, 28013), (514, 26705), (545, 25186), (763, 17990), (1090, 12593), (1285, 10682), (1526, 8995), (1799, 7630), (2570, 5341), (3598, 3815)]