199965678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 447068160

約数和(自身を除く): 247102482

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 139, 142, 213, 278, 307, 417, 426, 614, 781, 834, 921, 1529, 1562, 1842, 2343, 3058, 3377, 4587, 4686, 6754, 9174, 9869, 10131, 19738, 20262, 21797, 29607, 42673, 43594, 59214, 65391, 85346, 108559, 128019, 130782, 217118, 239767, 256038, 325677, 469403, 479534, 651354, 719301, 938806, 1408209, 1438602, 2816418, 3029783, 6059566, 9089349, 18178698, 33327613, 66655226, 99982839, 199965678]

約数ペア:

[(1, 199965678), (2, 99982839), (3, 66655226), (6, 33327613), (11, 18178698), (22, 9089349), (33, 6059566), (66, 3029783), (71, 2816418), (139, 1438602), (142, 1408209), (213, 938806), (278, 719301), (307, 651354), (417, 479534), (426, 469403), (614, 325677), (781, 256038), (834, 239767), (921, 217118), (1529, 130782), (1562, 128019), (1842, 108559), (2343, 85346), (3058, 65391), (3377, 59214), (4587, 43594), (4686, 42673), (6754, 29607), (9174, 21797), (9869, 20262), (10131, 19738)]