6444490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 12655440

約数和(自身を除く): 6210950

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 557, 890, 1114, 1157, 2314, 2785, 5570, 5785, 7241, 11570, 14482, 36205, 49573, 72410, 99146, 247865, 495730, 644449, 1288898, 3222245, 6444490]

約数ペア:

[(1, 6444490), (2, 3222245), (5, 1288898), (10, 644449), (13, 495730), (26, 247865), (65, 99146), (89, 72410), (130, 49573), (178, 36205), (445, 14482), (557, 11570), (890, 7241), (1114, 5785), (1157, 5570), (2314, 2785)]