39138988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 82130944

約数和(自身を除く): 42991956

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 67, 124, 134, 217, 268, 434, 469, 673, 868, 938, 1346, 1876, 2077, 2692, 4154, 4711, 8308, 9422, 14539, 18844, 20863, 29078, 41726, 45091, 58156, 83452, 90182, 146041, 180364, 292082, 315637, 584164, 631274, 1262548, 1397821, 2795642, 5591284, 9784747, 19569494, 39138988]

約数ペア:

[(1, 39138988), (2, 19569494), (4, 9784747), (7, 5591284), (14, 2795642), (28, 1397821), (31, 1262548), (62, 631274), (67, 584164), (124, 315637), (134, 292082), (217, 180364), (268, 146041), (434, 90182), (469, 83452), (673, 58156), (868, 45091), (938, 41726), (1346, 29078), (1876, 20863), (2077, 18844), (2692, 14539), (4154, 9422), (4711, 8308)]