644074417

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 777093120

約数和(自身を除く): 133018703

約数列:

[1, 7, 47, 61, 67, 329, 427, 469, 479, 2867, 3149, 3353, 4087, 20069, 22043, 22513, 28609, 29219, 32093, 157591, 192089, 204533, 224651, 1344623, 1373293, 1508371, 1957673, 9613051, 10558597, 13703711, 92010631, 644074417]

約数ペア:

[(1, 644074417), (7, 92010631), (47, 13703711), (61, 10558597), (67, 9613051), (329, 1957673), (427, 1508371), (469, 1373293), (479, 1344623), (2867, 224651), (3149, 204533), (3353, 192089), (4087, 157591), (20069, 32093), (22043, 29219), (22513, 28609)]