990430532

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12539}}^1$

素因数の和:12601

約数の個数: 72

約数和(自身を含む): 2241550080

約数和(自身を除く): 1251119548

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1612, 2548, 2821, 3038, 5642, 6076, 11284, 12539, 19747, 25078, 39494, 50156, 78988, 87773, 163007, 175546, 326014, 351092, 388709, 614411, 652028, 777418, 1141049, 1228822, 1554836, 2282098, 2457644, 2720963, 4564196, 5053217, 5441926, 7987343, 10106434, 10883852, 15974686, 19046741, 20212868, 31949372, 35372519, 38093482, 70745038, 76186964, 141490076, 247607633, 495215266, 990430532]

約数ペア:

[(1, 990430532), (2, 495215266), (4, 247607633), (7, 141490076), (13, 76186964), (14, 70745038), (26, 38093482), (28, 35372519), (31, 31949372), (49, 20212868), (52, 19046741), (62, 15974686), (91, 10883852), (98, 10106434), (124, 7987343), (182, 5441926), (196, 5053217), (217, 4564196), (364, 2720963), (403, 2457644), (434, 2282098), (637, 1554836), (806, 1228822), (868, 1141049), (1274, 777418), (1519, 652028), (1612, 614411), (2548, 388709), (2821, 351092), (3038, 326014), (5642, 175546), (6076, 163007), (11284, 87773), (12539, 78988), (19747, 50156), (25078, 39494)]