628750601787

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{640891}}^1$

素因数の和:641080

約数の個数: 64

約数和(自身を含む): 1086788763648

約数和(自身を除く): 458038161861

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 137, 217, 231, 341, 411, 651, 959, 1023, 1507, 2387, 2877, 4247, 4521, 7161, 10549, 12741, 29729, 31647, 46717, 89187, 140151, 327019, 640891, 981057, 1922673, 4486237, 7049801, 13458711, 19867621, 21149403, 49348607, 59602863, 87802067, 139073347, 148045821, 218543831, 263406201, 417220041, 614614469, 655631493, 965822737, 1529806817, 1843843407, 2721864077, 2897468211, 4589420451, 6760759159, 8165592231, 19053048539, 20282277477, 29940504847, 57159145617, 89821514541, 209583533929, 628750601787]

約数ペア:

[(1, 628750601787), (3, 209583533929), (7, 89821514541), (11, 57159145617), (21, 29940504847), (31, 20282277477), (33, 19053048539), (77, 8165592231), (93, 6760759159), (137, 4589420451), (217, 2897468211), (231, 2721864077), (341, 1843843407), (411, 1529806817), (651, 965822737), (959, 655631493), (1023, 614614469), (1507, 417220041), (2387, 263406201), (2877, 218543831), (4247, 148045821), (4521, 139073347), (7161, 87802067), (10549, 59602863), (12741, 49348607), (29729, 21149403), (31647, 19867621), (46717, 13458711), (89187, 7049801), (140151, 4486237), (327019, 1922673), (640891, 981057)]