642274556

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15679}}^1$

素因数の和:15727

約数の個数: 72

約数和(自身を含む): 1501516800

約数和(自身を除く): 859242244

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 532, 539, 836, 931, 1078, 1463, 1862, 2156, 2926, 3724, 5852, 10241, 15679, 20482, 31358, 40964, 62716, 109753, 172469, 219506, 297901, 344938, 439012, 595802, 689876, 768271, 1191604, 1207283, 1536542, 2085307, 2414566, 3073084, 3276911, 4170614, 4829132, 6553822, 8341228, 8450981, 13107644, 14597149, 16901962, 22938377, 29194298, 33803924, 45876754, 58388596, 91753508, 160568639, 321137278, 642274556]

約数ペア:

[(1, 642274556), (2, 321137278), (4, 160568639), (7, 91753508), (11, 58388596), (14, 45876754), (19, 33803924), (22, 29194298), (28, 22938377), (38, 16901962), (44, 14597149), (49, 13107644), (76, 8450981), (77, 8341228), (98, 6553822), (133, 4829132), (154, 4170614), (196, 3276911), (209, 3073084), (266, 2414566), (308, 2085307), (418, 1536542), (532, 1207283), (539, 1191604), (836, 768271), (931, 689876), (1078, 595802), (1463, 439012), (1862, 344938), (2156, 297901), (2926, 219506), (3724, 172469), (5852, 109753), (10241, 62716), (15679, 40964), (20482, 31358)]