131818908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{457}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 339861648

約数和(自身を除く): 208042740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 457, 516, 559, 914, 1118, 1371, 1677, 1828, 1849, 2236, 2742, 3354, 3698, 5484, 5547, 5941, 6708, 7396, 11094, 11882, 17823, 19651, 22188, 23764, 24037, 35646, 39302, 48074, 58953, 71292, 72111, 78604, 96148, 117906, 144222, 235812, 255463, 288444, 510926, 766389, 844993, 1021852, 1532778, 1689986, 2534979, 3065556, 3379972, 5069958, 10139916, 10984909, 21969818, 32954727, 43939636, 65909454, 131818908]

約数ペア:

[(1, 131818908), (2, 65909454), (3, 43939636), (4, 32954727), (6, 21969818), (12, 10984909), (13, 10139916), (26, 5069958), (39, 3379972), (43, 3065556), (52, 2534979), (78, 1689986), (86, 1532778), (129, 1021852), (156, 844993), (172, 766389), (258, 510926), (457, 288444), (516, 255463), (559, 235812), (914, 144222), (1118, 117906), (1371, 96148), (1677, 78604), (1828, 72111), (1849, 71292), (2236, 58953), (2742, 48074), (3354, 39302), (3698, 35646), (5484, 24037), (5547, 23764), (5941, 22188), (6708, 19651), (7396, 17823), (11094, 11882)]