28993744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139393}}^1$

素因数の和:139414

約数の個数: 20

約数和(自身を含む): 60496996

約数和(自身を除く): 31503252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 139393, 278786, 557572, 1115144, 1812109, 2230288, 3624218, 7248436, 14496872, 28993744]

約数ペア:

[(1, 28993744), (2, 14496872), (4, 7248436), (8, 3624218), (13, 2230288), (16, 1812109), (26, 1115144), (52, 557572), (104, 278786), (208, 139393)]