78142072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{647}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 151787520

約数和(自身を除く): 73645448

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 487, 647, 974, 1294, 1948, 2588, 3896, 5176, 15097, 20057, 30194, 40114, 60388, 80228, 120776, 160456, 315089, 630178, 1260356, 2520712, 9767759, 19535518, 39071036, 78142072]

約数ペア:

[(1, 78142072), (2, 39071036), (4, 19535518), (8, 9767759), (31, 2520712), (62, 1260356), (124, 630178), (248, 315089), (487, 160456), (647, 120776), (974, 80228), (1294, 60388), (1948, 40114), (2588, 30194), (3896, 20057), (5176, 15097)]