418396321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 519552000

約数和(自身を除く): 101155679

約数列:

[1, 7, 19, 43, 133, 149, 301, 491, 817, 1043, 2831, 3437, 5719, 6407, 9329, 19817, 21113, 44849, 65303, 73159, 121733, 147791, 401147, 512113, 852131, 1390021, 2808029, 3145837, 9730147, 22020859, 59770903, 418396321]

約数ペア:

[(1, 418396321), (7, 59770903), (19, 22020859), (43, 9730147), (133, 3145837), (149, 2808029), (301, 1390021), (491, 852131), (817, 512113), (1043, 401147), (2831, 147791), (3437, 121733), (5719, 73159), (6407, 65303), (9329, 44849), (19817, 21113)]