15969996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 46592000

約数和(自身を除く): 30622004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 499, 508, 762, 889, 998, 1143, 1497, 1524, 1778, 1996, 2286, 2667, 2994, 3493, 3556, 4491, 4572, 5334, 5988, 6986, 8001, 8982, 10479, 10668, 13972, 16002, 17964, 20958, 31437, 32004, 41916, 62874, 63373, 125748, 126746, 190119, 253492, 380238, 443611, 570357, 760476, 887222, 1140714, 1330833, 1774444, 2281428, 2661666, 3992499, 5323332, 7984998, 15969996]

約数ペア:

[(1, 15969996), (2, 7984998), (3, 5323332), (4, 3992499), (6, 2661666), (7, 2281428), (9, 1774444), (12, 1330833), (14, 1140714), (18, 887222), (21, 760476), (28, 570357), (36, 443611), (42, 380238), (63, 253492), (84, 190119), (126, 126746), (127, 125748), (252, 63373), (254, 62874), (381, 41916), (499, 32004), (508, 31437), (762, 20958), (889, 17964), (998, 16002), (1143, 13972), (1497, 10668), (1524, 10479), (1778, 8982), (1996, 8001), (2286, 6986), (2667, 5988), (2994, 5334), (3493, 4572), (3556, 4491)]