1988619724

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41077}}^1$

素因数の和:41127

約数の個数: 72

約数和(自身を含む): 4589234160

約数和(自身を除く): 2600614436

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1862, 2548, 3458, 3724, 6916, 12103, 24206, 41077, 48412, 82154, 164308, 287539, 534001, 575078, 780463, 1068002, 1150156, 1560926, 2012773, 2136004, 3121852, 3738007, 4025546, 5463241, 7476014, 8051092, 10146019, 10926482, 14952028, 20292038, 21852964, 26166049, 38242687, 40584076, 52332098, 71022133, 76485374, 104664196, 142044266, 152970748, 284088532, 497154931, 994309862, 1988619724]

約数ペア:

[(1, 1988619724), (2, 994309862), (4, 497154931), (7, 284088532), (13, 152970748), (14, 142044266), (19, 104664196), (26, 76485374), (28, 71022133), (38, 52332098), (49, 40584076), (52, 38242687), (76, 26166049), (91, 21852964), (98, 20292038), (133, 14952028), (182, 10926482), (196, 10146019), (247, 8051092), (266, 7476014), (364, 5463241), (494, 4025546), (532, 3738007), (637, 3121852), (931, 2136004), (988, 2012773), (1274, 1560926), (1729, 1150156), (1862, 1068002), (2548, 780463), (3458, 575078), (3724, 534001), (6916, 287539), (12103, 164308), (24206, 82154), (41077, 48412)]