816989810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28961}}^1$

素因数の和:29019

約数の個数: 64

約数和(自身を含む): 1868396544

約数和(自身を除く): 1051406734

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 14105, 28210, 28961, 57922, 144805, 202727, 289610, 376493, 405454, 752986, 897791, 1013635, 1795582, 1882465, 2027270, 2635451, 3764930, 4488955, 5270902, 6284537, 8977910, 11671283, 12569074, 13177255, 23342566, 26354510, 31422685, 58356415, 62845370, 81698981, 116712830, 163397962, 408494905, 816989810]

約数ペア:

[(1, 816989810), (2, 408494905), (5, 163397962), (7, 116712830), (10, 81698981), (13, 62845370), (14, 58356415), (26, 31422685), (31, 26354510), (35, 23342566), (62, 13177255), (65, 12569074), (70, 11671283), (91, 8977910), (130, 6284537), (155, 5270902), (182, 4488955), (217, 3764930), (310, 2635451), (403, 2027270), (434, 1882465), (455, 1795582), (806, 1013635), (910, 897791), (1085, 752986), (2015, 405454), (2170, 376493), (2821, 289610), (4030, 202727), (5642, 144805), (14105, 57922), (28210, 28961)]