659988

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{97}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 1997632

約数和(自身を除く): 1337644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 97, 108, 126, 162, 189, 194, 243, 252, 291, 324, 378, 388, 486, 567, 582, 679, 756, 873, 972, 1134, 1164, 1358, 1701, 1746, 2037, 2268, 2619, 2716, 3402, 3492, 4074, 5238, 6111, 6804, 7857, 8148, 10476, 12222, 15714, 18333, 23571, 24444, 31428, 36666, 47142, 54999, 73332, 94284, 109998, 164997, 219996, 329994, 659988]

約数ペア:

[(1, 659988), (2, 329994), (3, 219996), (4, 164997), (6, 109998), (7, 94284), (9, 73332), (12, 54999), (14, 47142), (18, 36666), (21, 31428), (27, 24444), (28, 23571), (36, 18333), (42, 15714), (54, 12222), (63, 10476), (81, 8148), (84, 7857), (97, 6804), (108, 6111), (126, 5238), (162, 4074), (189, 3492), (194, 3402), (243, 2716), (252, 2619), (291, 2268), (324, 2037), (378, 1746), (388, 1701), (486, 1358), (567, 1164), (582, 1134), (679, 972), (756, 873)]