64163905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 87381504

約数和(自身を除く): 23217599

約数列:

[1, 5, 13, 23, 65, 115, 167, 257, 299, 835, 1285, 1495, 2171, 3341, 3841, 5911, 10855, 16705, 19205, 29555, 42919, 49933, 76843, 214595, 249665, 384215, 557947, 987137, 2789735, 4935685, 12832781, 64163905]

約数ペア:

[(1, 64163905), (5, 12832781), (13, 4935685), (23, 2789735), (65, 987137), (115, 557947), (167, 384215), (257, 249665), (299, 214595), (835, 76843), (1285, 49933), (1495, 42919), (2171, 29555), (3341, 19205), (3841, 16705), (5911, 10855)]