131771390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3347}}^1$

素因数の和:3512

約数の個数: 32

約数和(自身を含む): 246841344

約数和(自身を除く): 115069954

約数列:

[1, 2, 5, 10, 31, 62, 127, 155, 254, 310, 635, 1270, 3347, 3937, 6694, 7874, 16735, 19685, 33470, 39370, 103757, 207514, 425069, 518785, 850138, 1037570, 2125345, 4250690, 13177139, 26354278, 65885695, 131771390]

約数ペア:

[(1, 131771390), (2, 65885695), (5, 26354278), (10, 13177139), (31, 4250690), (62, 2125345), (127, 1037570), (155, 850138), (254, 518785), (310, 425069), (635, 207514), (1270, 103757), (3347, 39370), (3937, 33470), (6694, 19685), (7874, 16735)]