81584556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 206745840

約数和(自身を除く): 125161284

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 361, 444, 509, 703, 722, 1018, 1083, 1406, 1444, 1527, 2036, 2109, 2166, 2812, 3054, 4218, 4332, 6108, 8436, 9671, 13357, 18833, 19342, 26714, 29013, 37666, 38684, 40071, 53428, 56499, 58026, 75332, 80142, 112998, 116052, 160284, 183749, 225996, 357827, 367498, 551247, 715654, 734996, 1073481, 1102494, 1431308, 2146962, 2204988, 4293924, 6798713, 13597426, 20396139, 27194852, 40792278, 81584556]

約数ペア:

[(1, 81584556), (2, 40792278), (3, 27194852), (4, 20396139), (6, 13597426), (12, 6798713), (19, 4293924), (37, 2204988), (38, 2146962), (57, 1431308), (74, 1102494), (76, 1073481), (111, 734996), (114, 715654), (148, 551247), (222, 367498), (228, 357827), (361, 225996), (444, 183749), (509, 160284), (703, 116052), (722, 112998), (1018, 80142), (1083, 75332), (1406, 58026), (1444, 56499), (1527, 53428), (2036, 40071), (2109, 38684), (2166, 37666), (2812, 29013), (3054, 26714), (4218, 19342), (4332, 18833), (6108, 13357), (8436, 9671)]