1913486561

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 2541196800

約数和(自身を除く): 627710239

約数列:

[1, 7, 17, 19, 37, 89, 119, 133, 257, 259, 323, 623, 629, 703, 1513, 1691, 1799, 2261, 3293, 4369, 4403, 4883, 4921, 9509, 10591, 11837, 11951, 22873, 23051, 28747, 30583, 34181, 55981, 62567, 66563, 83011, 83657, 160111, 161653, 180671, 201229, 388841, 391867, 434587, 437969, 581077, 846301, 1063639, 1131571, 1264697, 2721887, 3042109, 3071407, 5924107, 7387979, 7445473, 14387117, 16079719, 21499849, 51715853, 100709819, 112558033, 273355223, 1913486561]

約数ペア:

[(1, 1913486561), (7, 273355223), (17, 112558033), (19, 100709819), (37, 51715853), (89, 21499849), (119, 16079719), (133, 14387117), (257, 7445473), (259, 7387979), (323, 5924107), (623, 3071407), (629, 3042109), (703, 2721887), (1513, 1264697), (1691, 1131571), (1799, 1063639), (2261, 846301), (3293, 581077), (4369, 437969), (4403, 434587), (4883, 391867), (4921, 388841), (9509, 201229), (10591, 180671), (11837, 161653), (11951, 160111), (22873, 83657), (23051, 83011), (28747, 66563), (30583, 62567), (34181, 55981)]