262783638

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{15817}}^1$

素因数の和:15909

約数の個数: 48

約数和(自身を含む): 621837216

約数和(自身を除く): 359053578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 15817, 16614, 31634, 47451, 94902, 142353, 205621, 284706, 411242, 616863, 1123007, 1233726, 1850589, 2246014, 3369021, 3701178, 6738042, 10107063, 14599091, 20214126, 29198182, 43797273, 87594546, 131391819, 262783638]

約数ペア:

[(1, 262783638), (2, 131391819), (3, 87594546), (6, 43797273), (9, 29198182), (13, 20214126), (18, 14599091), (26, 10107063), (39, 6738042), (71, 3701178), (78, 3369021), (117, 2246014), (142, 1850589), (213, 1233726), (234, 1123007), (426, 616863), (639, 411242), (923, 284706), (1278, 205621), (1846, 142353), (2769, 94902), (5538, 47451), (8307, 31634), (15817, 16614)]