81754606

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 132485760

約数和(自身を除く): 50731154

約数列:

[1, 2, 19, 38, 67, 134, 163, 197, 326, 394, 1273, 2546, 3097, 3743, 6194, 7486, 10921, 13199, 21842, 26398, 32111, 64222, 207499, 250781, 414998, 501562, 610109, 1220218, 2151437, 4302874, 40877303, 81754606]

約数ペア:

[(1, 81754606), (2, 40877303), (19, 4302874), (38, 2151437), (67, 1220218), (134, 610109), (163, 501562), (197, 414998), (326, 250781), (394, 207499), (1273, 64222), (2546, 32111), (3097, 26398), (3743, 21842), (6194, 13199), (7486, 10921)]