72991828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1039}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 158179840

約数和(自身を除く): 85188012

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 193, 364, 386, 772, 1039, 1351, 2078, 2509, 2702, 4156, 5018, 5404, 7273, 10036, 13507, 14546, 17563, 27014, 29092, 35126, 54028, 70252, 94549, 189098, 200527, 378196, 401054, 802108, 1403689, 2606851, 2807378, 5213702, 5614756, 10427404, 18247957, 36495914, 72991828]

約数ペア:

[(1, 72991828), (2, 36495914), (4, 18247957), (7, 10427404), (13, 5614756), (14, 5213702), (26, 2807378), (28, 2606851), (52, 1403689), (91, 802108), (182, 401054), (193, 378196), (364, 200527), (386, 189098), (772, 94549), (1039, 70252), (1351, 54028), (2078, 35126), (2509, 29092), (2702, 27014), (4156, 17563), (5018, 14546), (5404, 13507), (7273, 10036)]