1995527617811

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^2\times {\mathrm{1597}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 2508870176064

約数和(自身を除く): 513342558253

約数列:

[1, 7, 13, 53, 91, 371, 509, 689, 1597, 3563, 4823, 6617, 11179, 20761, 26977, 46319, 84641, 145327, 188839, 259081, 350701, 592487, 812873, 1100333, 1813567, 2454907, 3368053, 5690111, 7702331, 10567349, 13731293, 23576371, 43082269, 73971443, 96119051, 178506809, 301575883, 413752357, 560069497, 1249547663, 2896266499, 3920486479, 5378780641, 21928874921, 37651464487, 153502124447, 285075373973, 1995527617811]

約数ペア:

[(1, 1995527617811), (7, 285075373973), (13, 153502124447), (53, 37651464487), (91, 21928874921), (371, 5378780641), (509, 3920486479), (689, 2896266499), (1597, 1249547663), (3563, 560069497), (4823, 413752357), (6617, 301575883), (11179, 178506809), (20761, 96119051), (26977, 73971443), (46319, 43082269), (84641, 23576371), (145327, 13731293), (188839, 10567349), (259081, 7702331), (350701, 5690111), (592487, 3368053), (812873, 2454907), (1100333, 1813567)]