642380852757

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{237683}}^1$

素因数の和:237850

約数の個数: 64

約数和(自身を含む): 1040120395776

約数和(自身を除く): 397739543019

約数列:

[1, 3, 7, 21, 41, 43, 73, 123, 129, 219, 287, 301, 511, 861, 903, 1533, 1763, 2993, 3139, 5289, 8979, 9417, 12341, 20951, 21973, 37023, 62853, 65919, 128699, 237683, 386097, 713049, 900893, 1663781, 2702679, 4991343, 9745003, 10220369, 17350859, 29235009, 30661107, 52052577, 68215021, 71542583, 121456013, 204645063, 214627749, 364368039, 419035129, 711385219, 746086937, 1257105387, 2134155657, 2238260811, 2933245903, 4979696533, 5222608559, 8799737709, 14939089599, 15667825677, 30589564417, 91768693251, 214126950919, 642380852757]

約数ペア:

[(1, 642380852757), (3, 214126950919), (7, 91768693251), (21, 30589564417), (41, 15667825677), (43, 14939089599), (73, 8799737709), (123, 5222608559), (129, 4979696533), (219, 2933245903), (287, 2238260811), (301, 2134155657), (511, 1257105387), (861, 746086937), (903, 711385219), (1533, 419035129), (1763, 364368039), (2993, 214627749), (3139, 204645063), (5289, 121456013), (8979, 71542583), (9417, 68215021), (12341, 52052577), (20951, 30661107), (21973, 29235009), (37023, 17350859), (62853, 10220369), (65919, 9745003), (128699, 4991343), (237683, 2702679), (386097, 1663781), (713049, 900893)]