647964

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 36

約数和(自身を含む): 1681680

約数和(自身を除く): 1033716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 439, 492, 738, 878, 1317, 1476, 1756, 2634, 3951, 5268, 7902, 15804, 17999, 35998, 53997, 71996, 107994, 161991, 215988, 323982, 647964]

約数ペア:

[(1, 647964), (2, 323982), (3, 215988), (4, 161991), (6, 107994), (9, 71996), (12, 53997), (18, 35998), (36, 17999), (41, 15804), (82, 7902), (123, 5268), (164, 3951), (246, 2634), (369, 1756), (439, 1476), (492, 1317), (738, 878)]