28005017768

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38468431}}^1$

素因数の和:38468457

約数の個数: 32

約数和(自身を含む): 64626965760

約数和(自身を除く): 36621947992

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 38468431, 76936862, 153873724, 269279017, 307747448, 500089603, 538558034, 1000179206, 1077116068, 2000358412, 2154232136, 3500627221, 4000716824, 7001254442, 14002508884, 28005017768]

約数ペア:

[(1, 28005017768), (2, 14002508884), (4, 7001254442), (7, 4000716824), (8, 3500627221), (13, 2154232136), (14, 2000358412), (26, 1077116068), (28, 1000179206), (52, 538558034), (56, 500089603), (91, 307747448), (104, 269279017), (182, 153873724), (364, 76936862), (728, 38468431)]