28319486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 50168160

約数和(自身を除く): 21848674

約数列:

[1, 2, 13, 23, 26, 29, 46, 58, 71, 142, 299, 377, 529, 598, 667, 754, 923, 1058, 1334, 1633, 1846, 2059, 3266, 4118, 6877, 8671, 13754, 15341, 17342, 21229, 26767, 30682, 37559, 42458, 47357, 53534, 75118, 94714, 199433, 398866, 488267, 615641, 976534, 1089211, 1231282, 2178422, 14159743, 28319486]

約数ペア:

[(1, 28319486), (2, 14159743), (13, 2178422), (23, 1231282), (26, 1089211), (29, 976534), (46, 615641), (58, 488267), (71, 398866), (142, 199433), (299, 94714), (377, 75118), (529, 53534), (598, 47357), (667, 42458), (754, 37559), (923, 30682), (1058, 26767), (1334, 21229), (1633, 17342), (1846, 15341), (2059, 13754), (3266, 8671), (4118, 6877)]