200978704

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{405199}}^1$

素因数の和:405238

約数の個数: 20

約数和(自身を含む): 401958400

約数和(自身を除く): 200979696

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 405199, 810398, 1620796, 3241592, 6483184, 12561169, 25122338, 50244676, 100489352, 200978704]

約数ペア:

[(1, 200978704), (2, 100489352), (4, 50244676), (8, 25122338), (16, 12561169), (31, 6483184), (62, 3241592), (124, 1620796), (248, 810398), (496, 405199)]