201999968

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1297}}^1$

素因数の和:1495

約数の個数: 48

約数和(自身を含む): 413449344

約数和(自身を除く): 211449376

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 157, 248, 314, 496, 628, 992, 1256, 1297, 2512, 2594, 4867, 5024, 5188, 9734, 10376, 19468, 20752, 38936, 40207, 41504, 77872, 80414, 155744, 160828, 203629, 321656, 407258, 643312, 814516, 1286624, 1629032, 3258064, 6312499, 6516128, 12624998, 25249996, 50499992, 100999984, 201999968]

約数ペア:

[(1, 201999968), (2, 100999984), (4, 50499992), (8, 25249996), (16, 12624998), (31, 6516128), (32, 6312499), (62, 3258064), (124, 1629032), (157, 1286624), (248, 814516), (314, 643312), (496, 407258), (628, 321656), (992, 203629), (1256, 160828), (1297, 155744), (2512, 80414), (2594, 77872), (4867, 41504), (5024, 40207), (5188, 38936), (9734, 20752), (10376, 19468)]