289994348

素因数分解:

$2^2\times 7^2\times {\mathrm{991}}^1\times {\mathrm{1493}}^1$

素因数の和:2502

約数の個数: 36

約数和(自身を含む): 591337152

約数和(自身を除く): 301342804

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 991, 1493, 1982, 2986, 3964, 5972, 6937, 10451, 13874, 20902, 27748, 41804, 48559, 73157, 97118, 146314, 194236, 292628, 1479563, 2959126, 5918252, 10356941, 20713882, 41427764, 72498587, 144997174, 289994348]

約数ペア:

[(1, 289994348), (2, 144997174), (4, 72498587), (7, 41427764), (14, 20713882), (28, 10356941), (49, 5918252), (98, 2959126), (196, 1479563), (991, 292628), (1493, 194236), (1982, 146314), (2986, 97118), (3964, 73157), (5972, 48559), (6937, 41804), (10451, 27748), (13874, 20902)]