291201386

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 506634240

約数和(自身を除く): 215432854

約数列:

[1, 2, 7, 14, 139, 151, 278, 302, 973, 991, 1057, 1946, 1982, 2114, 6937, 13874, 20989, 41978, 137749, 146923, 149641, 275498, 293846, 299282, 964243, 1047487, 1928486, 2094974, 20800099, 41600198, 145600693, 291201386]

約数ペア:

[(1, 291201386), (2, 145600693), (7, 41600198), (14, 20800099), (139, 2094974), (151, 1928486), (278, 1047487), (302, 964243), (973, 299282), (991, 293846), (1057, 275498), (1946, 149641), (1982, 146923), (2114, 137749), (6937, 41978), (13874, 20989)]