649767564

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1759}}^1$

素因数の和:2131

約数の個数: 72

約数和(自身を含む): 1701539840

約数和(自身を除く): 1051772276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 331, 372, 558, 662, 993, 1116, 1324, 1759, 1986, 2979, 3518, 3972, 5277, 5958, 7036, 10261, 10554, 11916, 15831, 20522, 21108, 30783, 31662, 41044, 54529, 61566, 63324, 92349, 109058, 123132, 163587, 184698, 218116, 327174, 369396, 490761, 582229, 654348, 981522, 1164458, 1746687, 1963044, 2328916, 3493374, 5240061, 6986748, 10480122, 18049099, 20960244, 36098198, 54147297, 72196396, 108294594, 162441891, 216589188, 324883782, 649767564]

約数ペア:

[(1, 649767564), (2, 324883782), (3, 216589188), (4, 162441891), (6, 108294594), (9, 72196396), (12, 54147297), (18, 36098198), (31, 20960244), (36, 18049099), (62, 10480122), (93, 6986748), (124, 5240061), (186, 3493374), (279, 2328916), (331, 1963044), (372, 1746687), (558, 1164458), (662, 981522), (993, 654348), (1116, 582229), (1324, 490761), (1759, 369396), (1986, 327174), (2979, 218116), (3518, 184698), (3972, 163587), (5277, 123132), (5958, 109058), (7036, 92349), (10261, 63324), (10554, 61566), (11916, 54529), (15831, 41044), (20522, 31662), (21108, 30783)]