31881824

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 68139792

約数和(自身を除く): 36257968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 173, 208, 346, 416, 443, 692, 886, 1384, 1772, 2249, 2768, 3544, 4498, 5536, 5759, 7088, 8996, 11518, 14176, 17992, 23036, 35984, 46072, 71968, 76639, 92144, 153278, 184288, 306556, 613112, 996307, 1226224, 1992614, 2452448, 3985228, 7970456, 15940912, 31881824]

約数ペア:

[(1, 31881824), (2, 15940912), (4, 7970456), (8, 3985228), (13, 2452448), (16, 1992614), (26, 1226224), (32, 996307), (52, 613112), (104, 306556), (173, 184288), (208, 153278), (346, 92144), (416, 76639), (443, 71968), (692, 46072), (886, 35984), (1384, 23036), (1772, 17992), (2249, 14176), (2768, 11518), (3544, 8996), (4498, 7088), (5536, 5759)]