81658746

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1307}}^1$

素因数の和:1420

約数の個数: 64

約数和(自身を含む): 197769600

約数和(自身を除く): 116110854

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 89, 117, 178, 234, 267, 351, 534, 702, 801, 1157, 1307, 1602, 2314, 2403, 2614, 3471, 3921, 4806, 6942, 7842, 10413, 11763, 16991, 20826, 23526, 31239, 33982, 35289, 50973, 62478, 70578, 101946, 116323, 152919, 232646, 305838, 348969, 458757, 697938, 917514, 1046907, 1512199, 2093814, 3024398, 3140721, 4536597, 6281442, 9073194, 13609791, 27219582, 40829373, 81658746]

約数ペア:

[(1, 81658746), (2, 40829373), (3, 27219582), (6, 13609791), (9, 9073194), (13, 6281442), (18, 4536597), (26, 3140721), (27, 3024398), (39, 2093814), (54, 1512199), (78, 1046907), (89, 917514), (117, 697938), (178, 458757), (234, 348969), (267, 305838), (351, 232646), (534, 152919), (702, 116323), (801, 101946), (1157, 70578), (1307, 62478), (1602, 50973), (2314, 35289), (2403, 33982), (2614, 31239), (3471, 23526), (3921, 20826), (4806, 16991), (6942, 11763), (7842, 10413)]