219293345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 284359680

約数和(自身を除く): 65066335

約数列:

[1, 5, 19, 67, 95, 131, 263, 335, 655, 1273, 1315, 2489, 4997, 6365, 8777, 12445, 17621, 24985, 34453, 43885, 88105, 166763, 172265, 334799, 654607, 833815, 1673995, 2308351, 3273035, 11541755, 43858669, 219293345]

約数ペア:

[(1, 219293345), (5, 43858669), (19, 11541755), (67, 3273035), (95, 2308351), (131, 1673995), (263, 833815), (335, 654607), (655, 334799), (1273, 172265), (1315, 166763), (2489, 88105), (4997, 43885), (6365, 34453), (8777, 24985), (12445, 17621)]