38821978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:1006

約数の個数: 32

約数和(自身を含む): 66830400

約数和(自身を除く): 28008422

約数列:

[1, 2, 13, 19, 26, 38, 89, 178, 247, 494, 883, 1157, 1691, 1766, 2314, 3382, 11479, 16777, 21983, 22958, 33554, 43966, 78587, 157174, 218101, 436202, 1021631, 1493153, 2043262, 2986306, 19410989, 38821978]

約数ペア:

[(1, 38821978), (2, 19410989), (13, 2986306), (19, 2043262), (26, 1493153), (38, 1021631), (89, 436202), (178, 218101), (247, 157174), (494, 78587), (883, 43966), (1157, 33554), (1691, 22958), (1766, 21983), (2314, 16777), (3382, 11479)]