16787372

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 35008512

約数和(自身を除く): 18221140

約数列:

[1, 2, 4, 7, 14, 28, 43, 73, 86, 146, 172, 191, 292, 301, 382, 511, 602, 764, 1022, 1204, 1337, 2044, 2674, 3139, 5348, 6278, 8213, 12556, 13943, 16426, 21973, 27886, 32852, 43946, 55772, 57491, 87892, 97601, 114982, 195202, 229964, 390404, 599549, 1199098, 2398196, 4196843, 8393686, 16787372]

約数ペア:

[(1, 16787372), (2, 8393686), (4, 4196843), (7, 2398196), (14, 1199098), (28, 599549), (43, 390404), (73, 229964), (86, 195202), (146, 114982), (172, 97601), (191, 87892), (292, 57491), (301, 55772), (382, 43946), (511, 32852), (602, 27886), (764, 21973), (1022, 16426), (1204, 13943), (1337, 12556), (2044, 8213), (2674, 6278), (3139, 5348)]