643008

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:229

約数の個数: 56

約数和(自身を含む): 1810512

約数和(自身を除く): 1167504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 136, 192, 197, 204, 272, 394, 408, 544, 591, 788, 816, 1088, 1182, 1576, 1632, 2364, 3152, 3264, 3349, 4728, 6304, 6698, 9456, 10047, 12608, 13396, 18912, 20094, 26792, 37824, 40188, 53584, 80376, 107168, 160752, 214336, 321504, 643008]

約数ペア:

[(1, 643008), (2, 321504), (3, 214336), (4, 160752), (6, 107168), (8, 80376), (12, 53584), (16, 40188), (17, 37824), (24, 26792), (32, 20094), (34, 18912), (48, 13396), (51, 12608), (64, 10047), (68, 9456), (96, 6698), (102, 6304), (136, 4728), (192, 3349), (197, 3264), (204, 3152), (272, 2364), (394, 1632), (408, 1576), (544, 1182), (591, 1088), (788, 816)]