81158728

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{919}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 185472000

約数和(自身を除く): 104313272

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 83, 133, 152, 166, 266, 332, 532, 581, 664, 919, 1064, 1162, 1577, 1838, 2324, 3154, 3676, 4648, 6308, 6433, 7352, 11039, 12616, 12866, 17461, 22078, 25732, 34922, 44156, 51464, 69844, 76277, 88312, 122227, 139688, 152554, 244454, 305108, 488908, 533939, 610216, 977816, 1067878, 1449263, 2135756, 2898526, 4271512, 5797052, 10144841, 11594104, 20289682, 40579364, 81158728]

約数ペア:

[(1, 81158728), (2, 40579364), (4, 20289682), (7, 11594104), (8, 10144841), (14, 5797052), (19, 4271512), (28, 2898526), (38, 2135756), (56, 1449263), (76, 1067878), (83, 977816), (133, 610216), (152, 533939), (166, 488908), (266, 305108), (332, 244454), (532, 152554), (581, 139688), (664, 122227), (919, 88312), (1064, 76277), (1162, 69844), (1577, 51464), (1838, 44156), (2324, 34922), (3154, 25732), (3676, 22078), (4648, 17461), (6308, 12866), (6433, 12616), (7352, 11039)]