16986892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 33530112

約数和(自身を除く): 16543220

約数列:

[1, 2, 4, 13, 26, 43, 52, 71, 86, 107, 142, 172, 214, 284, 428, 559, 923, 1118, 1391, 1846, 2236, 2782, 3053, 3692, 4601, 5564, 6106, 7597, 9202, 12212, 15194, 18404, 30388, 39689, 59813, 79378, 98761, 119626, 158756, 197522, 239252, 326671, 395044, 653342, 1306684, 4246723, 8493446, 16986892]

約数ペア:

[(1, 16986892), (2, 8493446), (4, 4246723), (13, 1306684), (26, 653342), (43, 395044), (52, 326671), (71, 239252), (86, 197522), (107, 158756), (142, 119626), (172, 98761), (214, 79378), (284, 59813), (428, 39689), (559, 30388), (923, 18404), (1118, 15194), (1391, 12212), (1846, 9202), (2236, 7597), (2782, 6106), (3053, 5564), (3692, 4601)]