28686476

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78809}}^1$

素因数の和:78833

約数の個数: 24

約数和(自身を含む): 61787040

約数和(自身を除く): 33100564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 78809, 157618, 315236, 551663, 1024517, 1103326, 2049034, 2206652, 4098068, 7171619, 14343238, 28686476]

約数ペア:

[(1, 28686476), (2, 14343238), (4, 7171619), (7, 4098068), (13, 2206652), (14, 2049034), (26, 1103326), (28, 1024517), (52, 551663), (91, 315236), (182, 157618), (364, 78809)]