15975199084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{20507}}^1$

素因数の和:20806

約数の個数: 48

約数和(自身を含む): 30677342976

約数和(自身を除く): 14702143892

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 211, 284, 422, 844, 923, 1846, 2743, 3692, 5486, 10972, 14981, 20507, 29962, 41014, 59924, 82028, 194753, 266591, 389506, 533182, 779012, 1066364, 1455997, 2911994, 4326977, 5823988, 8653954, 17307908, 18927961, 37855922, 56250701, 75711844, 112501402, 225002804, 307215367, 614430734, 1228861468, 3993799771, 7987599542, 15975199084]

約数ペア:

[(1, 15975199084), (2, 7987599542), (4, 3993799771), (13, 1228861468), (26, 614430734), (52, 307215367), (71, 225002804), (142, 112501402), (211, 75711844), (284, 56250701), (422, 37855922), (844, 18927961), (923, 17307908), (1846, 8653954), (2743, 5823988), (3692, 4326977), (5486, 2911994), (10972, 1455997), (14981, 1066364), (20507, 779012), (29962, 533182), (41014, 389506), (59924, 266591), (82028, 194753)]