2555485712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{646631}}^1$

素因数の和:646671

約数の個数: 40

約数和(自身を含む): 5612765760

約数和(自身を除く): 3057280048

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 646631, 1293262, 2586524, 5173048, 8406203, 10346096, 12285989, 16812406, 24571978, 33624812, 49143956, 67249624, 98287912, 134499248, 159717857, 196575824, 319435714, 638871428, 1277742856, 2555485712]

約数ペア:

[(1, 2555485712), (2, 1277742856), (4, 638871428), (8, 319435714), (13, 196575824), (16, 159717857), (19, 134499248), (26, 98287912), (38, 67249624), (52, 49143956), (76, 33624812), (104, 24571978), (152, 16812406), (208, 12285989), (247, 10346096), (304, 8406203), (494, 5173048), (988, 2586524), (1976, 1293262), (3952, 646631)]