129851572

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 236344836

約数和(自身を除く): 106493264

約数列:

[1, 2, 4, 43, 86, 97, 172, 181, 194, 362, 388, 724, 1849, 3698, 4171, 7396, 7783, 8342, 15566, 16684, 17557, 31132, 35114, 70228, 179353, 334669, 358706, 669338, 717412, 754951, 1338676, 1509902, 3019804, 32462893, 64925786, 129851572]

約数ペア:

[(1, 129851572), (2, 64925786), (4, 32462893), (43, 3019804), (86, 1509902), (97, 1338676), (172, 754951), (181, 717412), (194, 669338), (362, 358706), (388, 334669), (724, 179353), (1849, 70228), (3698, 35114), (4171, 31132), (7396, 17557), (7783, 16684), (8342, 15566)]