28237016

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 54264000

約数和(自身を除く): 26026984

約数列:

[1, 2, 4, 8, 67, 134, 139, 268, 278, 379, 536, 556, 758, 1112, 1516, 3032, 9313, 18626, 25393, 37252, 50786, 52681, 74504, 101572, 105362, 203144, 210724, 421448, 3529627, 7059254, 14118508, 28237016]

約数ペア:

[(1, 28237016), (2, 14118508), (4, 7059254), (8, 3529627), (67, 421448), (134, 210724), (139, 203144), (268, 105362), (278, 101572), (379, 74504), (536, 52681), (556, 50786), (758, 37252), (1112, 25393), (1516, 18626), (3032, 9313)]