65894945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 86244480

約数和(自身を除く): 20349535

約数列:

[1, 5, 19, 61, 83, 95, 137, 305, 415, 685, 1159, 1577, 2603, 5063, 5795, 7885, 8357, 11371, 13015, 25315, 41785, 56855, 96197, 158783, 216049, 480985, 693631, 793915, 1080245, 3468155, 13178989, 65894945]

約数ペア:

[(1, 65894945), (5, 13178989), (19, 3468155), (61, 1080245), (83, 793915), (95, 693631), (137, 480985), (305, 216049), (415, 158783), (685, 96197), (1159, 56855), (1577, 41785), (2603, 25315), (5063, 13015), (5795, 11371), (7885, 8357)]