890221714

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 1383958656

約数和(自身を除く): 493736942

約数列:

[1, 2, 71, 73, 142, 146, 157, 314, 547, 1094, 5183, 10366, 11147, 11461, 22294, 22922, 38837, 39931, 77674, 79862, 85879, 171758, 813731, 1627462, 2835101, 5670202, 6097409, 6269167, 12194818, 12538334, 445110857, 890221714]

約数ペア:

[(1, 890221714), (2, 445110857), (71, 12538334), (73, 12194818), (142, 6269167), (146, 6097409), (157, 5670202), (314, 2835101), (547, 1627462), (1094, 813731), (5183, 171758), (10366, 85879), (11147, 79862), (11461, 77674), (22294, 39931), (22922, 38837)]