128957374

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 251475840

約数和(自身を除く): 122518466

約数列:

[1, 2, 7, 13, 14, 26, 29, 53, 58, 91, 106, 182, 203, 371, 377, 406, 461, 689, 742, 754, 922, 1378, 1537, 2639, 3074, 3227, 4823, 5278, 5993, 6454, 9646, 10759, 11986, 13369, 19981, 21518, 24433, 26738, 39962, 41951, 48866, 83902, 93583, 139867, 171031, 173797, 187166, 279734, 317629, 342062, 347594, 635258, 708557, 1216579, 1417114, 2223403, 2433158, 4446806, 4959899, 9211241, 9919798, 18422482, 64478687, 128957374]

約数ペア:

[(1, 128957374), (2, 64478687), (7, 18422482), (13, 9919798), (14, 9211241), (26, 4959899), (29, 4446806), (53, 2433158), (58, 2223403), (91, 1417114), (106, 1216579), (182, 708557), (203, 635258), (371, 347594), (377, 342062), (406, 317629), (461, 279734), (689, 187166), (742, 173797), (754, 171031), (922, 139867), (1378, 93583), (1537, 83902), (2639, 48866), (3074, 41951), (3227, 39962), (4823, 26738), (5278, 24433), (5993, 21518), (6454, 19981), (9646, 13369), (10759, 11986)]