66651564

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 182020608

約数和(自身を除く): 115369044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 263, 294, 431, 526, 588, 789, 862, 1052, 1293, 1578, 1724, 1841, 2586, 3017, 3156, 3682, 5172, 5523, 6034, 7364, 9051, 11046, 12068, 12887, 18102, 21119, 22092, 25774, 36204, 38661, 42238, 51548, 63357, 77322, 84476, 113353, 126714, 154644, 226706, 253428, 340059, 453412, 680118, 793471, 1360236, 1586942, 2380413, 3173884, 4760826, 5554297, 9521652, 11108594, 16662891, 22217188, 33325782, 66651564]

約数ペア:

[(1, 66651564), (2, 33325782), (3, 22217188), (4, 16662891), (6, 11108594), (7, 9521652), (12, 5554297), (14, 4760826), (21, 3173884), (28, 2380413), (42, 1586942), (49, 1360236), (84, 793471), (98, 680118), (147, 453412), (196, 340059), (263, 253428), (294, 226706), (431, 154644), (526, 126714), (588, 113353), (789, 84476), (862, 77322), (1052, 63357), (1293, 51548), (1578, 42238), (1724, 38661), (1841, 36204), (2586, 25774), (3017, 22092), (3156, 21119), (3682, 18102), (5172, 12887), (5523, 12068), (6034, 11046), (7364, 9051)]