8220227561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 10693509120

約数和(自身を除く): 2473281559

約数列:

[1, 7, 13, 31, 73, 91, 179, 217, 223, 403, 511, 949, 1253, 1561, 2263, 2327, 2821, 2899, 5549, 6643, 6913, 13067, 15841, 16279, 16289, 20293, 29419, 38843, 39917, 48391, 72137, 89869, 91469, 113953, 169871, 205933, 211627, 279419, 405077, 504649, 504959, 518921, 629083, 1189097, 1237427, 1481389, 2835539, 2913941, 3532543, 3632447, 5266001, 6560437, 8661989, 16086551, 20397587, 36862007, 37881233, 45923059, 90332171, 112605857, 265168631, 632325197, 1174318223, 8220227561]

約数ペア:

[(1, 8220227561), (7, 1174318223), (13, 632325197), (31, 265168631), (73, 112605857), (91, 90332171), (179, 45923059), (217, 37881233), (223, 36862007), (403, 20397587), (511, 16086551), (949, 8661989), (1253, 6560437), (1561, 5266001), (2263, 3632447), (2327, 3532543), (2821, 2913941), (2899, 2835539), (5549, 1481389), (6643, 1237427), (6913, 1189097), (13067, 629083), (15841, 518921), (16279, 504959), (16289, 504649), (20293, 405077), (29419, 279419), (38843, 211627), (39917, 205933), (48391, 169871), (72137, 113953), (89869, 91469)]