78669488

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{119923}}^1$

素因数の和:119972

約数の個数: 20

約数和(自身を含む): 156141048

約数和(自身を除く): 77471560

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 119923, 239846, 479692, 959384, 1918768, 4916843, 9833686, 19667372, 39334744, 78669488]

約数ペア:

[(1, 78669488), (2, 39334744), (4, 19667372), (8, 9833686), (16, 4916843), (41, 1918768), (82, 959384), (164, 479692), (328, 239846), (656, 119923)]