64794289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 80985600

約数和(自身を除く): 16191311

約数列:

[1, 7, 23, 37, 73, 149, 161, 259, 511, 851, 1043, 1679, 2701, 3427, 5513, 5957, 10877, 11753, 18907, 23989, 38591, 62123, 76139, 126799, 250171, 402449, 434861, 887593, 1751197, 2817143, 9256327, 64794289]

約数ペア:

[(1, 64794289), (7, 9256327), (23, 2817143), (37, 1751197), (73, 887593), (149, 434861), (161, 402449), (259, 250171), (511, 126799), (851, 76139), (1043, 62123), (1679, 38591), (2701, 23989), (3427, 18907), (5513, 11753), (5957, 10877)]