9780526028

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{19289}}^1$

素因数の和:19519

約数の個数: 72

約数和(自身を含む): 21550788000

約数和(自身を除く): 11770261972

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 199, 364, 398, 637, 796, 1274, 1393, 2548, 2587, 2786, 5174, 5572, 9751, 10348, 18109, 19289, 19502, 36218, 38578, 39004, 72436, 77156, 126763, 135023, 250757, 253526, 270046, 501514, 507052, 540092, 945161, 1003028, 1755299, 1890322, 3510598, 3780644, 3838511, 7021196, 7677022, 12287093, 15354044, 24574186, 26869577, 49148372, 49900643, 53739154, 99801286, 107478308, 188087039, 199602572, 349304501, 376174078, 698609002, 752348156, 1397218004, 2445131507, 4890263014, 9780526028]

約数ペア:

[(1, 9780526028), (2, 4890263014), (4, 2445131507), (7, 1397218004), (13, 752348156), (14, 698609002), (26, 376174078), (28, 349304501), (49, 199602572), (52, 188087039), (91, 107478308), (98, 99801286), (182, 53739154), (196, 49900643), (199, 49148372), (364, 26869577), (398, 24574186), (637, 15354044), (796, 12287093), (1274, 7677022), (1393, 7021196), (2548, 3838511), (2587, 3780644), (2786, 3510598), (5174, 1890322), (5572, 1755299), (9751, 1003028), (10348, 945161), (18109, 540092), (19289, 507052), (19502, 501514), (36218, 270046), (38578, 253526), (39004, 250757), (72436, 135023), (77156, 126763)]