78122916

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 204364160

約数和(自身を除く): 126241244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 109, 129, 172, 218, 258, 327, 387, 436, 463, 516, 654, 774, 926, 981, 1308, 1389, 1548, 1852, 1962, 2778, 3924, 4167, 4687, 5556, 8334, 9374, 14061, 16668, 18748, 19909, 28122, 39818, 42183, 50467, 56244, 59727, 79636, 84366, 100934, 119454, 151401, 168732, 179181, 201868, 238908, 302802, 358362, 454203, 605604, 716724, 908406, 1816812, 2170081, 4340162, 6510243, 8680324, 13020486, 19530729, 26040972, 39061458, 78122916]

約数ペア:

[(1, 78122916), (2, 39061458), (3, 26040972), (4, 19530729), (6, 13020486), (9, 8680324), (12, 6510243), (18, 4340162), (36, 2170081), (43, 1816812), (86, 908406), (109, 716724), (129, 605604), (172, 454203), (218, 358362), (258, 302802), (327, 238908), (387, 201868), (436, 179181), (463, 168732), (516, 151401), (654, 119454), (774, 100934), (926, 84366), (981, 79636), (1308, 59727), (1389, 56244), (1548, 50467), (1852, 42183), (1962, 39818), (2778, 28122), (3924, 19909), (4167, 18748), (4687, 16668), (5556, 14061), (8334, 9374)]