64397992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2129}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 127800000

約数和(自身を除く): 63402008

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 1592, 2129, 3781, 4258, 7562, 8516, 15124, 17032, 30248, 40451, 80902, 161804, 323608, 423671, 847342, 1694684, 3389368, 8049749, 16099498, 32198996, 64397992]

約数ペア:

[(1, 64397992), (2, 32198996), (4, 16099498), (8, 8049749), (19, 3389368), (38, 1694684), (76, 847342), (152, 423671), (199, 323608), (398, 161804), (796, 80902), (1592, 40451), (2129, 30248), (3781, 17032), (4258, 15124), (7562, 8516)]