668648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 1360800

約数和(自身を除く): 692152

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 83, 106, 152, 166, 212, 332, 424, 664, 1007, 1577, 2014, 3154, 4028, 4399, 6308, 8056, 8798, 12616, 17596, 35192, 83581, 167162, 334324, 668648]

約数ペア:

[(1, 668648), (2, 334324), (4, 167162), (8, 83581), (19, 35192), (38, 17596), (53, 12616), (76, 8798), (83, 8056), (106, 6308), (152, 4399), (166, 4028), (212, 3154), (332, 2014), (424, 1577), (664, 1007)]