71981785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 94786560

約数和(自身を除く): 22804775

約数列:

[1, 5, 19, 43, 67, 95, 215, 263, 335, 817, 1273, 1315, 2881, 4085, 4997, 6365, 11309, 14405, 17621, 24985, 54739, 56545, 88105, 214871, 273695, 334799, 757703, 1074355, 1673995, 3788515, 14396357, 71981785]

約数ペア:

[(1, 71981785), (5, 14396357), (19, 3788515), (43, 1673995), (67, 1074355), (95, 757703), (215, 334799), (263, 273695), (335, 214871), (817, 88105), (1273, 56545), (1315, 54739), (2881, 24985), (4085, 17621), (4997, 14405), (6365, 11309)]