661156158

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2153}}^1$

素因数の和:2329

約数の個数: 64

約数和(自身を含む): 1482227712

約数和(自身を除く): 821071554

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 127, 186, 254, 381, 403, 762, 806, 1209, 1651, 2153, 2418, 3302, 3937, 4306, 4953, 6459, 7874, 9906, 11811, 12918, 23622, 27989, 51181, 55978, 66743, 83967, 102362, 133486, 153543, 167934, 200229, 273431, 307086, 400458, 546862, 820293, 867659, 1640586, 1735318, 2602977, 3554603, 5205954, 7109206, 8476361, 10663809, 16952722, 21327618, 25429083, 50858166, 110192693, 220385386, 330578079, 661156158]

約数ペア:

[(1, 661156158), (2, 330578079), (3, 220385386), (6, 110192693), (13, 50858166), (26, 25429083), (31, 21327618), (39, 16952722), (62, 10663809), (78, 8476361), (93, 7109206), (127, 5205954), (186, 3554603), (254, 2602977), (381, 1735318), (403, 1640586), (762, 867659), (806, 820293), (1209, 546862), (1651, 400458), (2153, 307086), (2418, 273431), (3302, 200229), (3937, 167934), (4306, 153543), (4953, 133486), (6459, 102362), (7874, 83967), (9906, 66743), (11811, 55978), (12918, 51181), (23622, 27989)]