17679893

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 23500800

約数和(自身を除く): 5820907

約数列:

[1, 7, 11, 23, 67, 77, 149, 161, 253, 469, 737, 1043, 1541, 1639, 1771, 3427, 5159, 9983, 10787, 11473, 16951, 23989, 37697, 69881, 109813, 118657, 229609, 263879, 768691, 1607263, 2525699, 17679893]

約数ペア:

[(1, 17679893), (7, 2525699), (11, 1607263), (23, 768691), (67, 263879), (77, 229609), (149, 118657), (161, 109813), (253, 69881), (469, 37697), (737, 23989), (1043, 16951), (1541, 11473), (1639, 10787), (1771, 9983), (3427, 5159)]