649654330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{3853}}^1$

素因数の和:5170

約数の個数: 32

約数和(自身を含む): 1260627984

約数和(自身を除く): 610973654

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1297, 2594, 3853, 6485, 7706, 12970, 16861, 19265, 33722, 38530, 50089, 84305, 100178, 168610, 250445, 500890, 4997341, 9994682, 24986705, 49973410, 64965433, 129930866, 324827165, 649654330]

約数ペア:

[(1, 649654330), (2, 324827165), (5, 129930866), (10, 64965433), (13, 49973410), (26, 24986705), (65, 9994682), (130, 4997341), (1297, 500890), (2594, 250445), (3853, 168610), (6485, 100178), (7706, 84305), (12970, 50089), (16861, 38530), (19265, 33722)]