209920688

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{100153}}^1$

素因数の和:100292

約数の個数: 20

約数和(自身を含む): 409830168

約数和(自身を除く): 199909480

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 100153, 200306, 400612, 801224, 1602448, 13120043, 26240086, 52480172, 104960344, 209920688]

約数ペア:

[(1, 209920688), (2, 104960344), (4, 52480172), (8, 26240086), (16, 13120043), (131, 1602448), (262, 801224), (524, 400612), (1048, 200306), (2096, 100153)]