665328

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 1749888

約数和(自身を除く): 1084560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 167, 249, 332, 334, 498, 501, 664, 668, 996, 1002, 1328, 1336, 1992, 2004, 2672, 3984, 4008, 8016, 13861, 27722, 41583, 55444, 83166, 110888, 166332, 221776, 332664, 665328]

約数ペア:

[(1, 665328), (2, 332664), (3, 221776), (4, 166332), (6, 110888), (8, 83166), (12, 55444), (16, 41583), (24, 27722), (48, 13861), (83, 8016), (166, 4008), (167, 3984), (249, 2672), (332, 2004), (334, 1992), (498, 1336), (501, 1328), (664, 1002), (668, 996)]