140978638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 230123520

約数和(自身を除く): 89144882

約数列:

[1, 2, 23, 31, 46, 62, 109, 218, 713, 907, 1426, 1814, 2507, 3379, 5014, 6758, 20861, 28117, 41722, 56234, 77717, 98863, 155434, 197726, 646691, 1293382, 2273849, 3064753, 4547698, 6129506, 70489319, 140978638]

約数ペア:

[(1, 140978638), (2, 70489319), (23, 6129506), (31, 4547698), (46, 3064753), (62, 2273849), (109, 1293382), (218, 646691), (713, 197726), (907, 155434), (1426, 98863), (1814, 77717), (2507, 56234), (3379, 41722), (5014, 28117), (6758, 20861)]