1291546945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1210

約数の個数: 64

約数和(自身を含む): 1879718400

約数和(自身を除く): 588171455

約数列:

[1, 5, 13, 19, 23, 41, 65, 95, 115, 205, 247, 299, 437, 533, 779, 943, 1109, 1235, 1495, 2185, 2665, 3895, 4715, 5545, 5681, 10127, 12259, 14417, 17917, 21071, 25507, 28405, 45469, 50635, 61295, 72085, 89585, 105355, 127535, 227345, 232921, 273923, 331591, 484633, 591097, 863911, 1045787, 1164605, 1369615, 1657955, 2423165, 2955485, 4319555, 5228935, 6300229, 11230843, 13595231, 19869953, 31501145, 56154215, 67976155, 99349765, 258309389, 1291546945]

約数ペア:

[(1, 1291546945), (5, 258309389), (13, 99349765), (19, 67976155), (23, 56154215), (41, 31501145), (65, 19869953), (95, 13595231), (115, 11230843), (205, 6300229), (247, 5228935), (299, 4319555), (437, 2955485), (533, 2423165), (779, 1657955), (943, 1369615), (1109, 1164605), (1235, 1045787), (1495, 863911), (2185, 591097), (2665, 484633), (3895, 331591), (4715, 273923), (5545, 232921), (5681, 227345), (10127, 127535), (12259, 105355), (14417, 89585), (17917, 72085), (21071, 61295), (25507, 50635), (28405, 45469)]